High quality tutorials
for the community, by the community.

Roel is a Full Stack Developer. His framework of choice is Ruby on Rails, but has dabbled in various other languages and frameworks. When he is not building and scaling back end systems, you'll find him enjoying competitive gaming and playing basketball.

Chris Belanger is the CMO of raywenderlich.com. In the programming world, Chris has over 25 years of experience with multiple database platforms, real-time industrial control systems, and enterprise healthcare information systems. When he kicks back, you can usually find Chris with guitar in hand, looking for the nearest beach, or exploring the lakes, beaches and forests in his part of the world.

Edith is the Content Operations Developer at Razeware. She makes sure that all content published on raywenderlich.com looks correct and helps the various teams achieve their dreams (content publishing related dreams only...). She also likes hiding backstage in theatres, ice skating and anything matcha-flavoured.

Marvin is a Fullstack Rails Developer. In his spare time, he loves to contribute to open-source projects, participate in coding hackathons and help build opensource developer communities.

Administrative Assistant at Razeware. Fascinated by what it means to live in tune with self, others and our world at large. Hypothesis so far: it's all about connection... And I'm glad to be connecting with you here!

Joan is a FullStack Ruby-on-Rails Developer whiz at Razeware. Her current focus is on improving the eLearning experience of the most popular mobile development site on the internet - raywenderlich.com. Apart from being in the team helping mobile developers across the world, she spends most of her recess time making puns, watching the EPL, playing FIFA, dancing and no, she will not fix your printer!

Matt Derrick has over 20 years of experience leading marketing and digital operations. Prior to raywenderlich.com, he helped launch direct-to-consumer (DTC) company Integriant Ventures. Before that, he held Executive Leadership roles at two trade associations, managing technology, marketing, conferences/events, and content development. He created Life Happens Pro, a Software-as-a-Service (SaaS) marketing automation platform, creating a new revenue line that generated over $1 MM within three years of launch. Prior to the association world, oversaw acquisition marketing efforts at ReliaQuote.com, a DTC life insurance company. Prior to that, Matt managed several national marketing campaigns at USA TODAY's headquarters and started his career by launching websites for the Washington Wizards, Mystics and Capital One Arena. Matt has an MBA in International Business from Virginia Tech.

Creative Specialist at Razeware, the company behind raywenderlich.com.

Abby is a UX Designer based in NYC bringing prior experience as a Japanese teacher and a project manager at a healthcare tech startup. In her spare time, she likes to cook, hike, and watch way too much Netflix.

Lauren is the Customer Success Manager at Razeware.

Jeff Blomstrom is the Head of Sales for RayWenderlich.com. Jeff has over 20 years of global software and technology leadership experience helping transform startup and multibillion dollar companies as an executive in sales, corporate development, strategic alliances, account management, client engagement and business development. Prior to raywenderlich.com, he launched corporate development programs, M&A processes and built sales training and coaching programs to deliver clients annual revenue goals. As an executive for Blytheco for nearly four years he led double digit YOY ERP, CRM and HCM sales growth. During his seven-year tenure with Local Corporation Jeff built the global sales and leadership processes to achieve strategic growth initiatives for a $100MM digital marketing and advertising firm selling over 50,000 SMB, midmarket and enterprise businesses digital advertising and marketing solutions. Jeff graduated from San Diego State University with degrees in Psychology and Business Management.

Catie makes things for, with, and about Apple tech in collaboration with her husband, Jessy! She is inspired by everyone at raywenderlich.com to be a positive force in the world. When away from her desk, Catie lifts heavy things, runs around outside throwing Westside Discs, pines for excellent gaming experiences, and tells her cat, Princess Ozma, how fluffy she is.

Brian is an instructor at Razeware who develops courses and screencasts on a wide variety of topics of iOS development. When not teaching, Brian plays board games, studies aikido, and tries to keep up with his wife and two kiddos.

Fascinated by technology consistently making learning easier, Jessy enjoys exploring new techniques involving creative software and hardware combinations, and imparting the experience to others. Along with his wife Catie, you'll find him doing so around here in the form of video tutorials. 😺📹

Manda has been involved in publishing for over 12 years through various creative, educational, medical and technical print and digital publications. Manda is a digital nomad and in her free time, you can find her trying local craft beer, watercolor painting, playing piano and jump roping.

Web Developer & Designer at Razeware - Currently feeling Illustrator, Vue JS and tools for a smooth workflow. The names Luke, Luke Freeman....

Ray is part of a great team - the raywenderlich.com team, a group of over 200 developers and editors from across the world. He and the rest of the team are passionate both about making apps and teaching others the techniques to make them. When Ray’s not programming, he’s probably playing video games, role playing games, or board games.

Vicki is Ray’s wife and business partner. She is a digital artist who creates illustrations, game art, and a lot of other art or design work for the tutorials and books on raywenderlich.com. She also runs gameartguppy.com, which is a website where she creates free and and inexpensive art assets for game developers to use in their games. When she’s not making art, she loves hiking, a good glass of wine, and attempting to create the perfect cheese plate.

Sam is the CTO of Razeware, the company behind the popular training site raywenderlich.com. He spends his time building the site, creating tutorial videos and doing battle with the internet.

When he’s not working, you’ll find him backstage in a theatre, or entertaining crowds of people with his trombone. You should say hi to him on Twitter: @iwantmyrealname, seek him out as sammyd on GitHub, or check his personal site iwantmyreal.name.

Katie is Razeware's Video Team Lead, Podcast Producer and Customer Support Lead. When not sat behind a screen she enjoys spending time with her husband and three little boys, eating good food & playing hockey.

As Razeware's Senior Project Manager for content (books and videos), Andrea dreams in Trello and makes Gantt charts for fun. If she had spare time, she'd probably spend it eating cheese. And yes, she is Vicki Wenderlich's identical twin!

Mobile Developer passionate about creating amazing apps with great user interfaces. Founder of aldominium.com, company dedicated to create awesome video tutorials for college students.

Software engineer with a passion for developing Android apps. Love to share what I learn with the rest of the developer community at codingdemos.com

Amanjeet is an android developer based out of New Delhi, India. Developing applications from his first year of under graduation. He always try to develop applications with high performances and very interactive user experiences. He always try to find the most optimized solution for any problem. When not developing, he loves to travel and watching movies and TV shows. You can also follow him on Github and LinkedIn.

Ahmed is an Android developer and an open source contributor with libraries like RichPath and Instacapture, always he wants to push the limits of the Android platform’s capabilities. You can find Ahmed on Twitter and LinkedIn.

Alex is an Android and iOS developer at (Thoughtbot)[https://thoughtbot.com/] in Boston, MA. He's a big fan of reactive programming and learning about new ways to create silky smooth Android and iOS applications. In his spare time he enjoys reading, playing video games and rewatching Star Trek: The Next Generation for the billionth time.

Google Developer Expert for Android | Android @ Bring Global | Co-organizer droidconKE, Android254 & Kotlin Kenya | Android Author @raywenderlich.com

Darryl Bayliss is a Software Engineer from Liverpool. Away from programming he is usually reading, writing on his blog or playing some fantastical video game involving magic and dragons. Feel free to say hello on Twitter or check out his coding scribbles on GitHub.

An experienced full-stack developer with a strong knowledge of mobile native Android and iOS technologies, you can learn more about me at evanamargain.com. I also have a deep interest in projects that require both conceptual and analytical thinking. Extensive leadership background and experience in architecture and project design.

Fuad provides mobile strategy, architecture & development for the Health & Fitness markets. He is the author of The Kotlin Book: an introduction to Android development for iOS Developers, and author and technical editor on other Kotlin / Android books and articles from raywenderlich.com. If you’ve ever been to an airport, you’ve likely seen his work - the flight arrival and departure screens are a Flash 7 interface he wrote towards the beginning of the millennium. Over the years he’s taught at many colleges, covering a huge variety of subjects from Anatomy & Physiology to Mobile Design & Development. He has also been the official photographer for a number of tech conferences.

When he’s not knee deep in Swift or Kotlin, Fuad enjoys martial arts and racing with Team Velocipede.

Fuad has often applied principals he learned from his study of the martial arts to mentoring others as well as taking a unique approach to problem-solving. He has found that quite often, the barriers we set before us are more mental than anything else, and the key to overcoming them lies in understanding this concept.

Android developer with a huge passion for learning, teaching, and discussing technologies. Public speaker, mentor, video instructor, content creator. Google Developer Expert for Android & Kotlin. When I'm not talking about coding, or writing about coding, or coding in general, I play D&D, Magic The Gathering, video games, and do rock climbing!

Fer is a software engineer, passionate about mobile development. He is an Android and iOS developer. When Fer's not coding he likes to play football, video games, watch movies (he's a Star Wars fan!) and read sci-fi novels. He lives in Buenos Aires, Argentina.

Godfred is a software engineer from Ghana with focus on mobile and backend applications. He loves sports and spending time with friends. Cats and dogs are overrated, monkeys are the best!

Rajdeep is an Android developer for Loco. He is passionate about making apps with great UI and exploring source code of retro softwares. When he's not working, he’s probably reading some book in a coffee shop.

Ivan is a Software Engineer from Zagreb, Croatia with more than 8 years of experience in Android development. The projects he worked on include larger security sensitive mobile banking applications, various smaller applications and even a few simple 2D games

Joey landed his first programming job in the ’90s with a HyperCard (remember that?) resume and by going out for beer with the managers of the company where he wanted to work until they caved and hired him. Since then, he’s worked at a San Francisco startup during the dot-com bubble, done tech evangelism for Tucows, Microsoft, and Shopify, valiantly tried to make Windows Phone happen, and once had a very short stint as an accordion-playing go-go dancer at a Toronto nightclub. He’s currently the Lead Product Manager at Sourcetoad. Joey lives, works, and engages in nincompoopery in Tampa, Florida, where he runs Tampa iOS Meetup (and helps out at the Android and Xamarin Meetups, too!), plays unlikely rock and pop tunes on his accordion, and generally does what he can to avoid becoming a “Florida Man” news story.

I really enjoy developing Android and iOS applications and in my spare time create apps that I freely share. I have been programming on the Android platform for over 8 years and iOS for a year. I have a course on Kotlin on raywenderlich.com and have done talks at conferences.

Lance has been a computer nut ever since his dad bought him a computer when he was a kid. After doing Java development for a diverse range of companies he decided to end his addiction to heavy inheritance, static typing, and coding without tests. After a few years of programming Ruby he eventually fell in love with native Android development (along with a smattering of native IOS). These days, he practices clean living with lots of well-tested code, class composition, and fun languages as the founder and lead software engineer of Polyglot Programming. He has extensive experience in native Android and IOT and is a committer on several open source projects. In addition, he is a regular speaker at conferences around the world, is a co-organizer of the Atlanta Sensors and Startups and post organizer of Rubyfuza and Ruby D-Camp ZA. He is also known to practice interspecies pair (“purr”) programming with his orange tabby, Allie.

James is a mobile developer focusing on React Native and sharing his experiences building apps. He also likes to write tutorials on topics such as offline first and app metadata automation. Feel free to reach out on Twitter or Github.

I've been working with Java since 1995 when I a co-founded the first Italian magazine about this technology (http://www.mokabyte.it). After many years creating Java desktop and enterprise application, I started to work in the mobile world. In 2001 I wrote his first book about J2ME. After many J2ME and Blackberry applications, I then started to work with Android in 2008. The same year I wrote the first Italian book about Android; best seller on Amazon.it. That was the first of a series of 12 books. I worked at Yahoo and Facebook and I'm actually Senior Engineer at Spotify. I'm a musical theatre lover and a supporter of the soccer team S.P.A.L.

Android tech lead at WIT Software, he can easily be spotted there working on the company RCS solution. An enthusiastic for new technology and always trying to reach those last 20% of all of his side projects that seem to be really far away, he loves to share his knowledge with others either by giving talks, teaching, writing or along with a cold beer in the nearest pub. GDG Coimbra organizer and Kotlin evangelist, he also has a huge passion for travel, photography, space and the occasional run.

Passionate Android Developer working on changing millions of lives through code. Enjoying the global marker of software development and trying to make a small dent in the Universe by teaching people how to code.

Namrata Bandekar is a Software Engineer focusing on native Android and iOS development. When she's not developing apps, she enjoys spending her time travelling the world with her husband, SCUBA diving and hiking with her dog. Say hi to Namrata on Twitter, LinkedIn or follow her on GitHub.

I am an Android developer with a masters degree in Information Technology, major in information and software engineering. I have several years of experience in making Android apps. I was a top student during my studies, awarded with Summa Cum Laude and Magna Cum Laude honorary mentions while in my free time I competed and won several national and international hackathons.

Pablo is an enthusiastic Android developer who has mainly developed his career as a freelance. He is currently working as an Android Engineer at Highstreet Mobile, and has been in love with Kotlin since a few years ago. He is rather obsessed with code organization and coherence, and that's why he is usually reading about architectures and design patterns. Since a few years ago, he transmits his passion to students as a lecturer. His cats (Michi, Micho, and Baghee), running and cooking are his other main interests.

Rod Biresch started his professional career in hardware as an Integrate Circuit (IC) layout designer. He found more creative opportunities in developing software and has been coding since the 1990s. Rod lives in the Philadelphia area and is a consultant for Chariot Solutions. He also serves as an Advisory Board member for the Western Design Center. Away from his day job, Rod is an avid golfer, loves to travel and likes to tinker with 65xx technology.

Shobhit is a mobile app technology enthusiast. In addition to his role as Tech Editor at raywenderlich.com, he also spends time working for his consulting firm Puri Technologies Ltd.. It provides software development services, specifically mobile apps. Most recently, he helped Realtor.com© in developing and maintaining their Android and iOS mobile apps. In his spare time, he is either working on a side project, enjoying nature, playing badminton or lurking around on stackoverflow. He loves using technology to create something useful for society. For that, he believes it is necessary for people with diverse backgrounds to come together. If you have a great idea that would have a positive effect on society, he is just a message away.

Sam is the CTO of Razeware, the company behind the popular training site raywenderlich.com. He spends his time building the site, creating tutorial videos and doing battle with the internet.

When he’s not working, you’ll find him backstage in a theatre, or entertaining crowds of people with his trombone. You should say hi to him on Twitter: @iwantmyrealname, seek him out as sammyd on GitHub, or check his personal site iwantmyreal.name.

Sreekumar hails from Singapore and works as a solutions architect at Zoliotech. Together with his team of iOS and Android developers, he develops mobile apps for businesses in Singapore and the region. Developing games on Unity is among his favorite areas of work, as is training and grooming young developers.

Ricardo is an Android dev with a crush on clean code and software architecture. He currently lives in the city of Coimbra, Portugal, and works as a senior Android engineer at Mindera, where he works on a retailer app. Ricardo loves Android and the community, so it’s only natural that he tries to have an active part in it! He’s a co-organizer of GDG Coimbra, a co-founder of a group called Kotlin Knights, and occasionally writes (mostly about Android) either at his site, ricardocosteira.com, or for Ray Wenderlich. He loves cats, food, the gym and is a specialty coffee hobbyist. You can find him on Twitter at @rcosteira79.

Vijay is a husband, father and senior mobile engineer. Based out of Canada's capital, Vijay has worked on dozens of apps for both Android and iOS. When not in front of his laptop, you can find him in front of a TV, behind a book, or next to his kids. You can reach out at vijaysharma.ca

Diayan is a Mobile engineer at Hubtel working primarily on iOS. He has interests in running, and reading. Always ready to try something new!

Andy is a long time Android developer who loves keeping up with the latest and greatest. Is is especially interested in Kotlin Multiplatform, RxJava and clean architecture.

Kushal is an Android developer at Tangerine. Apart from Android development, he also works on Nodejs backend development. When not coding, Kushal spends his time playing cricket, traveling, and biking.

Fabio is an Italian developer. He has been spending many hours of his life in front of a monitor since he was eight years old (when his parents gave him his first Commodore 64!). During his career, he has worked with a plethora of frameworks, systems, and languages. C/C++, C#, Java, Kotlin, Objective-C, PHP, JavaScript, SQL, Oracle (PL/SQL), MS SQL Server (Transact/SQL). In the last few years, he's focusing only on mobile applications (Android and iOS), and he fell in love with Flutter. He also has experience in the IT field, so even servers, networking, and systems tuning/configuration is no stranger to him. When he doesn't write code, he likes to have fun with his family or ride his motorbike.

Prateek is an Android Engineer from Bangalore, India. He's currently working remotely 🌏 for Buffer. Prateek has a soft spot for good design and is passionate about creating delightful and accessible experiences on mobile. He started writing apps for Android in high school and has been at it ever since. In his free time, Prateek likes to nerd out about outer space, Star Wars, and dumplings!

Ben Wicks is mobile applications developer at Farm Credit Services of America in Omaha and a co-organizer of Omaha's Google Developer Group. Ben was first introduced to Android development in his senior computer science class in High School. Since graduating from the University of Nebraska at Omaha in 2014, Ben has contributed to five enterprise Android applications. Ben is passionate about testable architecture and helping new mobile developers find that spark to constantly learn and grow.

Alain is the Lead Android Engineer at AriadNEXT, France.
He has fallen in love with Android since its Eclair version. As a senior developer, he wants to share his experience with the great Android community that has supported him from the beginning. He's co-organizing the GDG Rennes Android meet-up.
Concerned with code robustness and application security, he is a keen supporter of the Clean Code and TDD principles.
In his spare times, he likes playing the guitar, running and photography.

Pablo was born somewhere between the mountains of Aragon and the Mediterranean waters of the Costa Brava. He moved to the United Kingdom just before voting and drinking age. Studied IB and CS in a place south of London, called Guildford. Once "dictated education" was over, he worked through a few start-ups doing Android development; first in Madrid, then back in Guildford and finally landing in London. Eventually, he started his new life as a "code merc". Programmer and writer for hire, laying his helping hand wherever required.

Jemma is an Android developer from Brighton, UK, who enjoys attending meetups and conferences to meet other developers and learn new things. Aside from mobile development, Jemma enjoys chocolate, musical theatre and any excuse to wear her walking boots!

I am a GDE for Android and a Mobile Developer at KeepTruckin. I am passionate about creating good mobile experiences and sharing my learnings with others. When I am not playing around with Android or AOSP, you can find me binge-watching TV shows or sketching anime characters.

I'm a software engineer specialized in Android development. I have a background in Computer Science and R&D, which explains my interest in innovation and shaping new products with potential impact on people. GDG Innsbruck and GDG Munich co-organizer. You can find me close to the mountains, either hiking, riding the mountain-bike or catching some curvy roads by motorcycle.

Gabriela is a tech enthusiast with a master's degree in Computer Science who specializes in Java, Kotlin and Swift. She is an Android and iOS developer at Code Consulting Ltd. She got into programming during college and has been developing apps for several years. Her passion for sharing knowledge drives her to contribute to the developer community through books and articles. In her spare time, Gabriela attends tech talks and invests time to learn new things from the programming world. When she’s not crushing it in the tech world, she enjoys spending time with her horse and cat, rock climbing and playing the piano.

Zac is a Senior Mobile Engineer at GoDaddy working on their suite of Android and iOS apps. He is passionate about Android and, specifically, developing apps written in Kotlin. When he's not writing code, Zac enjoys hiking nearby trails, fishing, playing board games with his family, and planet-watching through his telescope.

Mattia is a Freelancer Android Developer, Author, and Content Creator with a Bestseller course on Udemy. He loves traveling, and you can find him working from anywhere, even the top of a mountain, while he's drinking a hot cup of coffee.

"Ishan is where the tech is" defines me precisely. I am a passionate product enthusiast and an open-source​ evangelist who loves hacking at Hackathons and speaking at conferences. Personal Blog at Droidchef.dev

Software Developer based in Nepal.

Telecommunications Engineer with a passion for the mobile space and new technology trends. His main interest is to develop technologies that have a positive effect on the world. When he is not developing something, you can find him cooking or playing the guitar!

Prateek is an Android Developer by profession and a Flutter Enthusiast. He is a proud owner of the Techie Blossom youtube channel and website. In his spare time, he continues to create educational videos, blogs and work on his own applications.

Android Developer? I got something for you :) Check out my blog vladsonkin.com and let's connect in twitter, linkedin and facebook.

Enzo is a software engineer passionate about mobile development topics, in beta version because is always finding ways to improve. An active speaker of local communities, in love with open source and share knowledge. When he's not programming, he's probably playing soccer or video games.

Mobile architect with over 10 years of Android and iOS experience, currently with Glooko Inc, leading the mobile development of their Diabetes Management System. A big fan of code reusability through annotation processing and enjoy designing programming languages.

Denis is an Android developer from Five and an author for the raywenderlich.com team. He is a passionate programmer who always tries to learn new things and get out of his comfort zone. When Denis is not programming, he is usually hanging out with his friends and watching any kind of sport while having a cold beer.

Martyn is half coder, half amateur chef, half dog enthusiast. He's passionate about lots of things but clean code, cake, great architecture and his dog are all near the top. He's been crafting Android code since before the G1 was released and has helped lots of companies with their mobile apps over the last 10 years.

Anshdeep is a Google Certified Android Developer based in Vancouver, Canada. He is passionate about building great user-centric Android applications. When he's not coding, you can usually find him playing FIFA or watching the latest TV series. He is also an avid Liverpool fan.

Husayn is an Android engineer at Google, working on CameraX as part of the Android camera framework team. In his free time, Husayn likes reading, he's a big fan of science fiction novels and thrillers. He also occasionally spends some time on his Nintendo Switch, or out in the wild hiking.

Android developer @cobe_tech, Osijek Love Android, Kotlin and programming in general. Spending most of my spare time gaming and learning new things from the programming world.

Alex's day job is at Novoda, where he is a tech lead for Android and iOS apps. He spends his time there helping out clients who have old, rusty codebases, or writing new shiny apps! Alex's passions include clean code and cross-platform development. In his downtime, Alex enjoys cooking and a bit of DIY, getting sawdust all over his flat...

Bhavesh is an Android developer with a passion for learning new technologies. He loves working with programming languages like Java, Kotlin and Golang. When he is not programming, he is either playing video games, cooking or cycling.

Kshitij is an open source enthusiast, and likes to work with everything from Android to React to Go. He's currently a student. When he's not on his computer writing some code, he's probably watching Formula 1 .

Vishnu is a native Android developer and Tech Enthusiast. When Vishnu’s not programming, he’s probably planning for his next adventure trip.

Niharika Arora works at Google and was a Google Developer Expert for Android previously. She is one of the core developers for the Government of India's Contact tracing App AarogyaSetu to fight against COVID-19. She is an active blogger, open-source contributor, and public speaker. Also, She has been recognized by IndiaMentor and Corporate Insight for giving back to the community. Apart from coding stuff, she loves to mentor people to help them learn and grow. Fun fact: She is a fitness freak and can dance on any beat! Anytime!

Caio is a software engineer with experience on Android and iOS, along with front-end Javascript. His first contact with programming was by chance: as a teenager, he wanted to make cool things with his computer, and soon realized that writing this weird code would accomplish that. Outside of work, Caio has one big passion: traveling. Discovering new cultures, new places, new food, is what moves him.

So... Paulo is from Portugal and he's 23 years old. He has around 3y and half of work experience as an Android Developer, and has a lot of fun programming in Kotlin! He's also certified by Google as an Associate Android Developer. He is a person with good communication skills, easily adaptive to new environments and teams, and a little addicted to learning and self-improvement.

I am an Android developer currently working for Jumbo. I am passionate about everything related to Android, Kotlin and software architecture. I like to spend my time learning new things and helping others to improve their software development skills.

Arjuna Sky Kok is the developer of PredictSalary and Mamba. He is the author of "Hands-on Blockchain for Python Developers".

Roberto is a Senior Android Engineer at The New York Times, working on the main reading app. He loves making apps and coding in general, and he's a huge fan of automating everything that can be automated. When he's away from the keyboard, he loves biking, building LEGOs with his kids and taking pictures.

Andrej is part of a great Android team in Five Agency. He is always searching for an opportunity to improve himself as a developer, but he's also looking for a challenge to improve his leadership skills. In his free time, he loves to share a good bottle of wine or craft beer with his friends, especially in summer.

Programmer || Gamer || Coffee && Music Addict

I am a veteran developer in love with mobile technologies. Developing apps for Android, iOS, Wearables and... you name it! From 🇧🇩 and working in 🇸🇬 in a leading HealthTech company. More on me at Github, Linkedin and Medium

I am a fullstack developer specialized in the development of mobile phone apps ( iOS, Android) powered by Grails / Micronaut backends. Since 2015, I write a newsletter, Groovy Calamari, around the Groovy Ecosystem and Microservices. Groovy, Grails, Micronaut, Gradle,...

Aaqib is an enthusiastic programmer with the love of Swift and anything that looks like Swift i.e Kotlin. He loves writing code in Swift and Kotlin, and exploring new technologies and platforms. He likes to listen to old music. When he is not writing code, he’s probably spending his time watching movies, tv-shows or anime, or either doing some research for writing the next article. He has his own personal website kodesnippets.com.

Kolin Stürt is a team lead with a focus on encryption, reverse engineering, forensics and application hardening. He has been hacking and developing apps since 2008. You can find him at kolinsturt.github.io.

Pablo is Delivery Manager at at one of the biggest Banks in the world, and was also founder and CTO of a Technology Development company in Madrid. His expertise is focused on web and mobile app development, although he first started as a Creative Art Director. He has been for many years the Main Professor of the iOS and Android Mobile Development Masters Degree at a well-known technology school in Madrid (CICE). He has a masters degree in Artificial Intelligence & Machine-Learning and is currently learning Quantum Computing at MIT.

Eric is Android Tutorial Team Lead and a Professional Software Engineer and certified Agile-Scrum Master focusing on Apple iOS & Android Apps, NodeJS and APIs. Currently, a Lead Engineer at San Diego based MJD Interactive, he is based in Orlando Florida but works with clients all across the US including many major brands. During his 30+ year career, Eric has worked with REST APIs, web and mobile applications, server back-end systems, automated infrastructure deployments and more. Follow Eric on LinkedIn, Twitter @ericwastaken or on his website ericsoto.net.

iOS and Android developer that enjoy being challenged and working on projects that require me to work outside my comfort and knowledge set, as continuing to learn new languages and development techniques are important to me. Working nowadays in a bank from Brazil (@SICOOB_oficial) in the iOS team. I love drink craft beer when I have a free time :]

Full-time computer science professor for Aims Community College in Colorado where she created and teaches certificates in Mobile Apps development as well .NET. Prior to teaching, she was a full-time software engineer creating .NET applications in C# for a financial industry. She has been a Google Developer Group organizer and a hobbyist Android developer for the last 9 years. In her spare time, she enjoys being a mom, rollerblading, horseback riding and spending time with her dogs and cats.

Hod started programming on his Dad's HP calculator, and hasn't stopped since. He has worked professionally in mobile since the early days of Android, and does web on the side. Before joining Couchbase in 2016, he led the developer ecosystem group at Samsung, where he learned how you really pronounce "Gangnam" (almost).

Experienced Android Developer from Croatia with a demonstrated history of working in the computer software industry. Currently employed at Five, which is officially a Google Developers Certified Agency. Worked on a variety of apps, from small apps for local startups to big popular apps with a 5+ million of users. Very passionate about Android, technology in general and always trying to learn something new and improve myself as a developer. Love my job and enjoy every second doing it. In my free time I like to exercise, either at the gym or at home, read a good book, watch a good movie, or simply spend time with my friends and family.

Kotlin enthusiast. Android Developer Advocate @ Stream. Google Developer Expert for Kotlin and Android. University instructor for Android/Kotlin @ BME. Developer of MaterialDrawerKt. Very active on StackOverflow under the Kotlin tag. Found on Twitter, Stack Overflow, and LinkedIn.

Anitra is an experienced IT servant leader. She started as a front-end web developer and designer. Accessibility and usability were her speciality before those things were cool. (Yes, they're cool.) She was a contributing author of the HTML5 Cookbook book. She was a technical editor of the Universal Design for Web Applications book. She's active in the technology, agile, and user experience communities in sunny Tampa, Florida. She speaks at local events and presented three times at the SXSW Interactive conference in Austin, TX. When Anitra finds the time, she also enjoys traveling and playing board games.

Bhavna is a freelance Android developer and educator from India. She has been developing Android apps since 2013. She likes to learn latest in the world of mobile development and share the same with the developer community. When she is not at work, you can find her in the kitchen listening to music and experimenting new dishes.

Software Engineer @ Practo. I love learning and exploring the mobile development frontier.

JB is an Engineering Manager currently based in Berlin. JB has more than 10 years of experience in tech. JB has been with OLX Group for more than 5 years, two years of which are from the Philippines and the rest from Berlin. Before that he worked for several years in a company that serviced clients such as NFL, HSN and other large media companies. He likes exploring new technologies related to mobile, especially those that can improve developer productivity. JB enjoys experiencing different cultures via food, language, and travel.

Wendy is a full-time project manager that specializes in projects that merge creative and technical. Her unusual background involves a cooking show, freelance writing, and thousands of miles walked as a political activist. Occasionally she steps away from her command center to help her husband with home improvement projects or play on the seashore.

Megan Mallicoat is an editor and university journalism instructor. She has professional experience in communications management, web design, and graphic design, but she's most devoted to pointing out grammar and spelling errors. In her "free time," you'll most likely find her on the sidelines of some kind of kids sports practice, holding a book.

Melanie is a freelance editor, proofreader, and writer--and something of an indie archivist with an interest in text preservation & digitalization through digital humanities scholarship. She is minded toward animal rescue, vegetarian & vegan cooking, and loves a good puzzle game!

Yuliya is an editor who has worked with everything from dissertations in public health and psychology to her mother-in-law’s holiday cards. No matter what she's editing, she's guided by the belief that using the right words can do a world of good. When she's not editing, she's out exploring the woods and trails of the PNW with her family, printing notecards on her one-ton letterpress, and eating really good cheese.

Natalye Childress is an editor living in Berlin. She's passionate about storytelling, immaculate grammar, clean copy, and quality journalism. She loves coffee, cats, bikes, and books.

Peg is an English Language Editor. She brought her love of communication and documentation to various IT roles over her long career in the Financial Services industry prior to her retirement. When not editing tutorials, Peg enjoys grandchildren, leisurely walks, and volunteer work (which, in her case, usually involves communication and documentation).

John is a writer, editor, and instructor who is always looking for ways to plain talk the world around him.

Marin is a Swift and Unity developer who likes to work on cool iOS apps and games, nerd out about programming, learn new things and then blog about it. Mostly, though, he just causes SourceKit crashes. He also has a chubby cat. You can read his blog here.

Emily is an avid scavenger of typos and grammatical errors. She has worked extensively in the tech industry and was managing editor of an online tech magazine for several years. She has also edited such varied projects as city recreation guides, college-level study material, and corporate acquisition proposals. She is a nerd for technology, cats, medical history, and comic books (among many other things). While her favorite comic book characters are Deadpool and Squirrel Girl, the character with whom Emily most closely identifies is Nancy Whitehead.

Kelvin is a Swift Developer. He currently maintains the Swift Algorithm Club. In his free time, he dabbles in web development and server side Swift. Outside of programming work, he's an aspiring entrepreneur. You can find him on his twitter at @KelvinlauKL

Ray Fix works on next-generation microscopes made for iPad at Discover Echo Inc. in San Diego, California. Ray enjoys learning new things and is excited about math, data, visualization, machine learning and computer vision. Swift is his problem-solving language of choice.

Harlan is a mobile engineer and engineering manager specializing in iOS. He enjoys working in healthtech and writing about how to craft applications on his blog.

Marta is a book enthusiast. You will find her reading at any time of day and night.

Manda has been involved in publishing for over 12 years through various creative, educational, medical and technical print and digital publications. Manda is a digital nomad and in her free time, you can find her trying local craft beer, watercolor painting, playing piano and jump roping.

Chris Belanger is the CMO of raywenderlich.com. In the programming world, Chris has over 25 years of experience with multiple database platforms, real-time industrial control systems, and enterprise healthcare information systems. When he kicks back, you can usually find Chris with guitar in hand, looking for the nearest beach, or exploring the lakes, beaches and forests in his part of the world.

Sandra Grauschopf is the Editing Team Lead for raywenderlich.com. She's an experienced writer, editor, and content manager as well as an avid explorer who can't go anywhere without a book in her hand.

April is a former high school English and theatre teacher and director. When not volunteering at her daughters' schools, she usually spends her time being asked to pretend to be a unicorn, zombie princess or super hero. In her spare time, she enjoys reading, making pasta and exploring the Gulf Coast with her family.

Tammy Coron is an independent creative professional, author of Apple Game Frameworks and Technologies, and the maker behind the AdventureGameKit—a custom SpriteKit framework for building point and click adventure games.

As an innovative problem solver and industry leader, Tammy enjoys working on projects from content creation—including books, tutorials, videos, and podcasts—to the design and development of cross-platform applications and games.

Kerry has a background in Psychology and Sociology, and has spent the last 17 years working as a teacher, so she knows a thing or two about learning! She is also a voracious reader, and is excited to bring her talents to the raywenderlich.com family as part of the Book Production team. When she is not helping out Ray and the rest of the team, Kerry is either dreaming about or actively searching for new beaches to explore with her husband, two children and her goldendoodle puppy.

Graphic Illustrator with a Bachelor’s Degree in Fine Arts. I am a perpetual perfection seeker with a big passion for History and Theory of Art. My artistic goal is to find the most creative visual solutions for every idea.

I'm an illustrator and storyteller working to improve my skills and make a career for myself in the creative arts. I draw inspiration through all of my interests, from animation to video games, sci-fi to fantasy, science and nature, travel and culture, emotion and life. I draw inspiration from everywhere and that drives me forward. I’m passionate about conveying stories and messages through dramatic and compelling imagery. More often than not I find myself saying more with pictures than with words. This is how I connect with my audience and this is how I want to connect with you.

Graphic designer and illustrator based in Ukraine

David Piper is a Software Engineer at adesso mobile solutions, where he develops iOS and Android apps for banks and companies. When he is not programming, he writes articles about programming or plays card and board games with friends.

Mani is a full-stack engineer currently focusing on mobile development. He enjoys contributing to open-source and automation. Besides coding, he enjoys going to live concerts and cooking. You can find in twitter @maniramezan.

Vidhur is a software developer, guitar enthusiast, and a foodie :] He is passionate about technology and loves all the fun stuff in mobile development. He likes visiting places, enjoys various cuisines, and once in a while tries to be the iron chef at home. While not working, he enjoys singing re-mixed versions of popular rhymes to his son and playing peek-a-boo with him.

Peter is an iOS and Vapor developer working at Monstarlab in Aarhus - Denmark where he spend most of his time spitting out Swift code for various apps. He's also a husband, a father, a fan of noisy guitars and 80ies synth and overall curious when it comes to everything tech.

Alexis Gallagher has been failing to tear himself away from computers for over a dozen years, including tours in e-commerce firms in New York, in scientific research in Oxford, in front-office trading systems in London, and now via iOS in a pocket near you.

Arthur is an iOS Software Developer at USAA in San Antonio. He is also the iOS developer for Texas3006 - a crowd sourced resource that displays businesses that prohibit the carry of firearms in Texas. He and his beautiful wife Anna are expecting a baby girl, Elianna (Feb 2018). In their spare time Anna and Arthur volunteer at their local church, leading worship music and serving wherever else they are needed in the church.

Andy is a Senior iOS Developer in Atlanta, GA for Delta Air Lines. You can find Andy on LinkedIn or Twitter.

Final Pass Editor for raywenderlich.com Andy loves writing iOS applications, being a dad, doing anything outside, and playing guitar. He realizes there's always room for improvement, and thus is always trying to get better at what he does. When not working on raywenderlich.com, he blogs in the minor leagues at cleanswifter.com.

Adam Rush is a passionate iOS developer with over 7 years of commercial experience, contracting all over the UK & Europe. He's a tech addict and #Swift enthusiast. When he's not writing code, he enjoys watching sports and spending time with his family. You can reach him by email or on Twitter.

Adrian is a freelance iOS developer and Project Manager living in the South West of England. He\'s worked on iPhone and iPad apps since 2010 (iOS3) and specializes in mobile- and web-based application development.

Audrey Tam retired at the end of 2012 from a 25-year career as a computer science academic. Her teaching included Pascal, C/C++, Java, Java web services, web app development in php and mysql, user interface design and evaluation, and iOS programming. Before moving to Australia, she worked on Fortran and PL/1 simulation software at IBM's development lab in Silicon Valley. Audrey attends many concerts at Tempo Rubato and does most of her writing and zooming at Rubato Upstairs.

Angela has been developing for Apple products since 1994. She enjoys writing software that does strange and silly things with natural language processing and text-to-speech. When she's not programming, she can often be found in the front row of a concert, filming, or on stage reciting her poetry. She blogs about all of these things and more.

Bhagat is an iOS Developer hailing from New Delhi, India. He likes to make very responsive and user friendly user experiences in his application and is keen on learning new technologies, with iOS Development, IoT and Robotics as his passions.

I'm currently a mobile app and web developer who also has worked in networking and servers. I have been doing iOS development for about two years with my most recent app Coming Light released in November. When not online I can usually be found with a camera in hand or outdoors hiking and quite often both.

A very enthusiastic Lead iOS developer with a very diverse experience, from building games to enterprise applications and POCs, specially when exploring new technologies. In the spare time (or time that can be spared) Ehab enjoys watching a few (more like a lot of TV series) if nothing to watch, video games are just as awesome to say the least :] When trying to move away from a screen Ehab enjoys going through challenging escape-room experience with his awesome friends, & attempt to break the escape records.

Erik is a Principal iOS developer at Target, and an independent consultant at Distilled Bits. Outside of coding, he enjoys cramming as much outdoor activity into summer as he can (running, cycling, rowing, fishing, cabin-ing). In the winter, he patiently waits for summer. You can find Erik on Twitter or his homepage.

Felicity Johnson is an iOS developer at Rent the Runway. After graduating from Villanova University, Felicity worked in finance and started learning Swift as a hobby. She quickly realized that coding was her passion and attended an iOS immersive program. Felicity is thrilled to be doing something she loves every day.

Jean-Pierre Distler is a freelance iOS Developer based in Braunfels, Germany. He started developing apps in 2010. When he's not on his computer he enjoys time with his family.

Prethep is a tech enthusiast who enjoys developing apps for the iOS platform since the release of the third-generation iPhone. He graduated from the RWTH Aachen University in Germany with a M.Sc. degree in Computer Science. Recently, he joined the RW Team as an iOS Tech Editor.

Jayven is an Apple scholar who contributes his best work to passion, fitness training, and nutrition. Passion makes problem solving an enjoyment. Fitness training keeps him from starring at his Macbook, unrequited love. Nutrition gives him the epic energy he needs to power his day. Jayven enjoys meeting passionate developers from all around the world. Outside from coding, you may find him listening to audiobooks and podcasts, reading, or watching YouTube videos.

Rob was primarily a stay at home parent for 13 years, however he has also worn the hats of Developer, occasional Tech Editor and once upon a time: Writer. He also likes to wear hats. When not programming he's walking long distances, roleplaying, trying to make music, doing improv or reading.

iOS Tech Lead working for Cookpad International.

iOS Developer and Swift fan. Working for https://axiiio.com.

Mark Powell is the User Interface Development Technical Group Lead at NASA Jet Propulsion Laboratory. Since 2001 Mark has been involved in front-end software development and architectures to support the exploration of land, sea, sky and planets with the robotic vehicles that take us there. Since 2012, mobile device applications play an increasingly important role in supporting NASA mission projects. Mark has led and developed more than a dozen mobile applications and related software systems to enable JPL to meet ever greater challenges in exploration. Excited about iOS development, Android development, UX design, open source software development, software process, software application development and leading agile development teams.

A Software Engineer who makes good coffee! He started working as an iOS Engineer in 2013 and extended to developing mobile apps backends using NodeJS. Currently, he's an Embedded Escalation Engineer @ Microsoft, for Linux Azure App Service. He's passionate about learning, research, knowledge sharing, and tech community work! When he's not writing code, he's probably reading, playing video games, or traveling! :]

Matt is the founder of SwipeStack, a mobile development company based in London, UK which create apps for clients and also a few of their own. One client's app was featured by Apple in the best apps of 2011, the App Rewind in the newsstand category. BeerMap is one of their own creations, helping beer drinkers find a great pub near them! You can find him on Twitter.

Michael Katz envisions a world where mobile apps always work, respect users’ privacy, and integrate well with their users’ life. When not coding, he can be found with his family playing board games, brewing, gardening, and watching the Yankees.

Hi there, I'm Marco and I'm an Italian developer. I've been an iOS Developer since 2011 and I have worked in London since 2016. I'm keen to learn new things and I spend most of my spare time learning as self-taught.

Pinal is passionate about iOS and AI technologies and creator of the iOS apps alt selfie and xplooor. When not coding, you’ll find her immersed in a book, traveling or spending time with her two super-energetic boys. She hopes to inspire a lot more women to become developers and app creators.

Warren is an Indie iOS and OS X developer living in Peniche, Portugal. He creates interesting tools for Xcode development and mind mapping. When not going screen blind, he goes mountain biking, hiking and surfing.

Richard is the iOS Team Lead for RayWenderlich.com. He has been doing software professionally for nearly 40 years, working on products as diverse as CNC machinery, network infrastructure, and operating systems. He discovered the joys of working with iOS beginning with iOS 6. Yes, he dates back to punch cards and paper tape. He's a dinosaur; just ask his kids. On Twitter, while being mainly read-only, he can be found at @rcritz. The rest of his professional life can be found at www.rwcfoto.com.

Jordan is a freelance full-stack and iOS software engineer and college student near Sacramento, California. His hobbies include seeing as many movies per month as possible, hanging out with his cats, and playing on his Nintendo Switch.

Renan is a Software Engineer student by night and iOS developer by day. He likes to learn about new and fun ways to code. When not studying you can find him playing video games, watching Disney/Pixar movies or reading mangas.

Saeed is a software developer who switched from Petroleum Engineering to the programming world around 2010. He started mobile development when iOS 5 was around. He also dived into Android a couple of years later. In his free time, Saeed prefers to take a good nap, enjoy an awesome food or play soccer, both real and in computer games.

Michael enjoys helping people get the most out of their tech. He has been writing Swift code since 2015 and is excited to see how SwiftUI will change iOS development. When he's not in front of a screen, he is probably working out at the gym or cooking up a tasty meal.

Emad is an iOS developer for Nuuday in Denmark and he is always eager to learn new topics. When he’s not in front of a computer he is usually playing board games 🎲 and video games🎮 or watching series 📺. (you won't believe it) sometimes he is playing some harmonica 🎼. Also, he is an intermediate table tennis player 🏓.

Ryan Ackermann is building Clay. Developing iOS apps and games is his passion. Four of his apps are published on the App Store and more are coming. He has been dancing with Swift since it was announced back in June 2014. When he's not programming or designing something in Sketch or Photoshop he spends time with his darling wife Jamie. You can usually find him on Twitter @naturaln0va or you can learn more about him by visiting his Personal Site.

Yono is an indie app and game developer. He is a co-creater of Gus on the Go, a language learning app for kids. Yono speaks 3 languages fluently and 3 more at a novice level. He has been programming since he was 7 years old, because he enjoys it. Basically, he likes languages and coding. That's his jam. You can find him on Twitter and sometimes writing blog posts at yonomitt.com

Nick has been writing code professionally since 2004 and an iOS developer since iOS 9. He looks for any reason to get outdoors, running, biking, hiking, camping, whatever it takes.

Danijela is an iOS Developer from Croatia, currently exploring Toronto, Canada. Loves all things Apple. When not coding or learning to code, she enjoys outdoors, trying out new restaurants, video-gaming, and has an ultimate goal of traveling the world.

Vardhan is a self-taught software developer and iOS Tech Editor at raywenderlich.com. Not only does he tinker with new projects and ideas, but he also makes it possible for others to do the same by teaching others to code. When he’s not programming, you might find Vardhan helping out in the community or playing the violin.

Chuck is a software developer and publisher of the award winning Mobile Intelligence™ Clinic app and Donate Life America Game Changer Award winner, Swipe To Donate Life. He loves creating apps that have a meaningful impact on those who use them and he loves learning new technologies teaching others about them. When he isn't working on technology, he is most likely skiing, mountain biking or just enjoying life.

Piotr has been working at the Faculty of Mathematics and Computer Science of the University of Lodz since 2001 where he teaches various computer science subjects. When he is not preparing materials for his students, he runs in the forest or makes toys for his children. He spends his vacation in the mountains with his family.

Ozgur is an indie iOS developer who published 10 indie iOS apps in 2020. He is the author of Develop Intelligent iOS Apps with Swift. He is passionate about mobile machine learning and loves learning new stuff on this domain. When he’s not in front of a computer he is usually watching series or reading books. You can find him on Twitter.

David is an iOS Engineer with a strong background in Electronics Engineering. Also loves writing Go and building/shipping amazing products. When he's not coding, he is probably having a swell time with console video games or jamming to some alternative rock songs.

Product manager, marketer, Swift/iOS dev. Learning every day. I love working on tech teams to create products that delight. Leadership team @ Miacademy.co // Marketing lead @ Apparent Software. When I'm not writing software, writing about software, or writing to others about the software they've written, I'm baking challah or traveling. Many a Friday morning finds me multitasking on some combination of these.

Yusuf is co-founder and CTO at QJAM – a live streaming platform hosting meet & greet events with music artists. He's also a freelance iOS developer and consultant.

In his spare time, Yusuf likes to play guitar and paint.

Website: yusuftor.com

Vijay is an iOS developer by profession and has developed apps for leading retail and healthcare companies. While he is not coding, he can be seen reading articles about tech or photographing any of the numerous life forms on this planet!

Chuck has spent the vast majority of his professional career litigating intellectual property disputes before the Federal Circuit and the Supreme Court, but has more recently returned to his passion for programming -- dating back to when he wrote demonstration programs for Atari computer camps. When not litigating or coding, you can find him watching sporting events, supporting his children's athletic endeavors, or hanging out with his St. Bernard.

Nikola is experienced iOS developer working as contractor. When not looking for memory leaks, he's trying to build next indie game hit. Passionate about movies, board games and sports.

Richard is an iOS developer for MartianCraft, prolific Stack Overflow participant and author of a development blog, Command Shift. When he's not in front of a computer he is usually building Lego horse powered spaceships (don't ask!) with his daughter.

Tom is an iOS Engineer working for Let's Do This in London. When he's not hacking up new ideas you'll find him on two wheels, spinning along the tarmac or bouncing down the hills :)

Anu is an iOS developer. She is a keen learner and an open-source enthusiast. She has been the Google Summer of Code Student and Google Code-In mentor. She loves attending and organizing meetups. Currently, she is volunteering at the Woman Who Code Mobile chapters. She truly believes in sharing her learnings with everyone. When not at work, she likes to travel and click pictures.

Ron is the iOS lead at Wisdo, a platform for experience-based social networking. He's been developing iOS for the past 6 years, and spends his spare time writing apps for his daughters to play with.

Mark has been an iOS developer for 10+ years. He currently works as a lead at Lowe's Home Improvement on their iOS app. He has been doing software professionally for 18+ years. You can reach him on Twitter at @ski081. He also writes occasionally at markstruzinski.com.

Mobile App Engineer; Author; MSc, MBA. http://www.linkedin.com/in/soheilazarpour

A lifelong learner, automation enthusiast, DevOps lover and Mobile Architect with an eye on design. I have been developing for iOS since iPhone OS 3, I have started with Objective-C and then moved to Swift since version 1.2. I also tried a lot of technologies like JavaScript, PHP, MySQL, HTML, CSS for web development and Java, Kotlin and Cordova for mobile apps.

Joan handles email support requests from both customers and team members at RayWenderlich.com. Aside from being the main person behind the helpdesk, she also helps complete admin-related tasks for the team. When not working, you can surely find Joan reading books, cooking, practicing her watercolors, playing board games with her family (including their cat), or booking flights!

Product manager, marketer, Swift/iOS dev. Learning every day. I love working on tech teams to create products that delight. Leadership team @ Miacademy.co // Marketing lead @ Apparent Software. When I'm not writing software, writing about software, or writing to others about the software they've written, I'm baking challah or traveling. Many a Friday morning finds me multitasking on some combination of these.

Dru started writing code for Apple products at the age of 11 when he received an Apple ][. Note, not a plus, not an e... just a ][. As computers and the internet were only a passing fad (said the sales guy at CompUSA) he went off to study Theatrical and Mass Media production. As a result he self taught himself through Basic, Pascal, Object Pascal, C, C++, Objective-C, and then Swift. Many years ago he discovered writing code paid more than waiting tables.

Katie is Razeware's Video Team Lead, Podcast Producer and Customer Support Lead. When not sat behind a screen she enjoys spending time with her husband and three little boys, eating good food & playing hockey.

Annette is a recruiter for raywenderlich.com. She loves recruiting because she gets to meet people from all over the world. When not recruiting, Annette can be found taking pictures of her cats or walking in her favorite local park when the weather permits.

Jean-Pierre Distler is a freelance iOS Developer based in Braunfels, Germany. He started developing apps in 2010. When he's not on his computer he enjoys time with his family.

Swift and iOS. I also work on running ml on mobile.

A dad, software developer, investor, frequent traveler, reader, foodie, miles and points spender. Over-thinking it since 1975.

Enrique López Mañas is a software engineer, mostly focused on Android and backend development with Java/Kotlin. As a contractor, he has filled his hours with an eclectic variety of technologies: TensorFlow, iOS, Swift, NodeJS, RoR, and Python. Before Living by the Code, he published the books Android High Performance, 100 Android Questions and Answers, and 100 iOS Questions and Answers. He has been a member of the Google Developer Expert crew since 2014. Besides his programming duties, he also runs a few side projects. He is the editor and maintainer of Kotlin Weekly, a mailing list that delivers news about the Kotlin universe every Sunday. He is the organizer of Kotlin Users Meetup Group Munich and Droidcon Vietnam. He speaks monthly on the I/O Investing podcast about finances and investing. In his free time, he reads, writes, and runs long distances for extended periods of time. Over time, he has developed an interest in finances, communities, science fiction, and high-performance sports. He tries to practice transparency, and shares as much as he can on his Twitter account (@eenriquelopez).”

Antonio is a veteran code writer who started tapping on keyboards when memory was measured in bytes instead of gigabytes, storage was an optional add-on, and the most used language was BASIC. Today he loves developing iOS apps, writing node.js backends, and he never misses a chance to learn something new. He finds Swift a very expressive language, and still thinks Objective C is great and unconventional.

I am a software engineer at Runtastic, Austria. I'm interested in both iOS and Android development, currently focused on the former :]

David Okun is the iOS Technical Director at Charles Schwab, in Austin, Texas. He has worked with the Kitura team at IBM focusing on using Swift on the Server, and co-founded a local weekly peer-lab called Weird Swift ATX.

Victoria is an Android Engineer and technical author. The conferences she has spoken at have been an enjoyable way to connect with the technical community and exchange information with others. She was drawn to programming because of its potential to help people in a meaningful way. In her spare time, Victoria enjoys dancing and curling up with a good book.

Shai is the iOS Tech Lead @ Gett, the on-demand mobility company. On his spare time you can find him active on several Open-Source projects (mainly the RxSwiftCommunity and RxSwift projects), or playing his guitar and recording & mixing in his home-studio. Shai is also a huge fan of Hackathons and winner of some (1st place BattleHack Tel-Aviv 2014, Battlehack World Finals San Jose 2014, Ford Developer Challenge Tel-Aviv 2015). You can find Shai on GitHub and Twitter.

Joe’s path to software development began in the fields of computational physics and systems engineering. He started as a web developer and also has been a native mobile developer on iOS and Android since 2009. Joe has a passion for system and enterprise architecture including building robust, testable, maintainable, and scalable systems. He currently focuses on the full stack using web frameworks like React and Angular, Node.js microservices, GraphQL, and devops tools like Docker, Kubernetes, and Terraform. He lives in Boston and is a Senior Architect at CVS Health.

Jeff has been developing iOS applications professionally for about a decade. A long-time RW author and technical editor, he has a passion for sharing his knowledge through mentorship. He spends his free time with his wife and daughters, except when he abandons them for trips to Cape Canaveral to watch rockets being launched into space. Say hi on Twitter

Derek is an iOS developer? LOLololol...

Aaron was that kid taking apart the mechanical and electrical appliances at five years of age to see how they worked. He never grew out of that core interest - to know how things work. He took an early interest in computer programming, figuring out how to get past security to be able to play games on his dad's computer. He's still that feisty nerd, but at least now he gets paid to do it. Aaron works for Automattic (WordPress.com, Akismet, SimpleNote) as a Mobile Maker primarily on WordPress for iOS. Find Aaron on Twitter as @astralbodies or at his blog at https://aaron.blog.

Eli works as an iOS engineer for Facebook. He has been developing iOS apps and working as an Instructor for over 8 years.

Ellen Shapiro is an iOS and Android developer currently building the Apollo GraphQL iOS SDK. She helped bring songwriting app Hum to life, and has been a writer and tech editor for this site and its books since 2013. She’s also developed several independent applications through her personal company, Designated Nerd Software. When she's not writing code, she's usually tweeting about it.

Jawwad currently works as an iOS Engineer at Facebook. LinkedIn | GitHub | StackOverflow

Josh is a freelance iOS engineer who loves building thoughtful user experiences on mobile. He's built apps for the iPhone and iPad since 2008. Josh recently finished culinary school in Austin, TX. When he's not coding, he's probably cooking or dreaming of food.

One of the authors of the "Reactive Programming with RxSwift" book, Florent has been developing for mobile platforms since the last century and moved to iOS on day 1. He adopted reactive programming before Swift was announced and has been using RxSwift in production since 2015. A freelance developer, Florent also uses Rx on Android and likes working on tools for developers like the popular NSLogger when he's not contracting for clients worldwide.

Lead VR Game Developer at Wolf and Wood. Developer on A Chair In a Room, The Harbinger Trial and The Exorcist : Legion VR. Part of the Bafta VR Advisory Group.

Former librarian passionate about languages both human and code-based. When not working as an iOS Developer, Jay enjoys being an ESL conversation partner and reading zines. Find me on LinkedIn.

Matthew Morey is an engineer, developer, hacker, creator, and tinkerer. As an active member of the iOS community and CTO at MJD Interactive he has led numerous successful mobile projects worldwide. He’s the creator of Buoy Explorer, a marine conditions app for water sports enthusiast, and Wrist Presenter, an app that lets you control presentations wirelessly with your smart watch. When not developing apps he enjoys traveling, snowboarding, and surfing. He blogs about technology and business at matthewmorey.com.

raywenderlich.com author. realm alumni. More at: www.underplot.com

René, @rcachATX, is an iOS Client Architect at Atlassian, where he is known for his expertise in user interface engineering with UIKit, Core Animation, and Core Graphics. He has been engineering iOS apps since 2009. When he's not coding, René loves to snow ski, ocean kayak, and root for the Texas Longhorns.

I've been an iOS developer since the first public release of the SDK from Apple. My "day job" is working as a Solutions Architect for a Fortune 500 company in the Pacific Northwest but I do contract work for a couple clients via my one-man shop, Gargoyle Software, LLC.

Scott is a Swift and iOS book, video course, and tutorial author at RayWenderich.com. He also works as a Software Engineering Author on the Developer Publications team at Apple, and is an Apple Certified Trainer for Swift and iOS. Scott is a veteran of the United States Marine Corps and he currently lives in the St. Louis, MO area. You can find Scott on Twitter or GitHub as @scotteg, or connect with him on LinkedIn at scotteg.com.

Steven is a computer science lecturer at the University College of Ghent, Belgium. When he's not teaching, Steven can be found on his bike, rattling over cobblestones and sweating up hills, or relaxing around the table, enjoying board games with friends. You can contact Steven on Twitter.

Software engineer and creator of the Vapor web framework.

A software developer by day, and an iOS-Swift enthusiast by night, he believes that sharing knowledge is the best way to learn and grow as a developer. Vincent starts every morning with a homemade green smoothie in hand to fuel his day. When he is not in front of a computer, Vincent is training to play in small golf tournaments, doing headstands at various locations while on a hiking adventure, or looking up how to make tamago egg. You can find him on twitter @vincentngo2.

Software Engineer at Capital One. Co-author of Core Data by Tutorial, iOS 9 by Tutorials and iOS 7 by tutorials.

Matthijs Hollemans is an independent contractor who specializes in algorithms, machine learning & deep learning on iOS. Visit his website at http://machinethink.net.

Fahim is a developer with over 25 years of experience in developing in over a dozen different languages. Fahim's current focus is on the mobile app space with over 80 apps developed for iOS (iPhone and iPad), around 10 macOS apps, and a few Android apps. He's the CEO of RookSoft FZC in the United Arab Emirates. He's lived in Sri Lanka, USA, Saudi Arabia, New Zealand, Singapore, Malaysia, France, and the UAE, and enjoys science fiction and fantasy novels, TV shows, and movies. You can reach him either via e-mail or Twitter.

Chris is a software developer and architect at IBM. He’s been working on programming languages and web frameworks longer than its polite to discuss. Somewhere along that journey he got got involved in the very early days of Swift on Linux and became the chief architect for the Kitura web framework.

I'm a designer with over 19 years of working experience. I graduated from the Stanford Design Program, ran a design consultancy company for several years working with startups and companies such as Google, Autodesk, and Dropbox. I was the original designer of the Fitbit mobile app. I am now the design director at Capital One labs. I'm also a father of a wonderful son.

Alessandro is co-founder and CTO of Inglobe Technologies/ARMedia, a company that specialises in Augmented Reality applications development and services. His experience in Augmented Reality and related technologies spans over 10 years, during which he had the chance to complete several projects in many different application domains (Cultural Heritage, Architecture & Engineering, Education & Training, Industry, Media). Along with regular production activities he also spends a good amount of time on learning new things and research activities as well.

Chris began programming back when a computer with 256 kilobytes of RAM was something to brag about. Now he’s an independent developer and contractor focused on machine learning and video games. When not staring at computer screens, he’s usually cooking or relaxing with his wife and kids. You can reach Chris via email or find him on Twitter.

I'm the author of the Swift Apprentice. I blog about Swift and iOS development at cosminpupaza.wordpress.com and on the Swift tutorial team at appcoda.com. When not coding, I play the guitar or read a good book. You can contact me at cosminpupaza@gmail.com, on Facebook, Twitter and Google+

Gina is a self taught iOS developer from Southern California. She began her iOS journey in 2014 and loves Swift! When she is not working on apps, she's catching up on Adventure Time episodes. On sunny days (which is often in SoCal) she is working on her grilling skills and is always experimenting with recipes.

Fayyaz has been an iOS developer for approximately five years, and loves all things Apple. His interests include networking, Core Data, and UITableViews. Fayyaz was born and raised in Toronto, Canada, where he lives with his family.

Jayant lives in Melbourne, Australia and has been interested in the bits and bytes since the days of the 8-bit computers, starting with the ZX Spectrum, managing IT Department for Countrywide BMW Dealerships in a couple of countries, Lecturing at the University and Authoring Books. With over 25 years in the IT Industry, he has seen many technologies change, currently he is set on Swift and has written a couple of books on it. A developer at heart, he has been in both Leadership and hands-on roles and has developed several mobile apps since 2009.

Najmm is a Kashmiri developer, working primarily in the XR space. He is a video game enthusiast and is absolutely in love with sci-fi and the surreal.

Johnny "Turbo" Thompson is a game developer who runs the Turbo Makes Games YouTube channel. Johnny has been creating games since he studied game development at California State University, Chico.

On his YouTube channel, he teaches how to write highly performant code using Unity DOTS and ECS. He also interviews developers to discuss the technical aspects of game development and how it influences their design and business decisions.

Johnny is an avid participant in game jams and enjoys challenging himself to learn new things. Outside of games, he enjoys training Brazilian Jiu Jitsu, running, and building things.

MA in Professional Translation (SP/EN) specialised in audiovisual and the use of new technologies. I love localisation, editing and proofreading. I am also a graduate teacher of English with over eight years’ experience. Junior C# programmer and Unity game developer. I love creating assets in Blender and ZBrush. I am zeitgeist. I practice Kung fu Shaolin.

Harrison is an Interactive Media Developer from Toronto, Canada. While working as a full stack web developer by day, he spends his time after hours making video games and interactive experiences using WebGL or Unity. Harrison also has a passion for programming education, having mentored and taught part-time at Lighthouse Labs Toronto, as well as authored courses for the online education platform Pluralsight. In whatever spare time he has left, Harrison likes to make music and buy Too Many Video Games. He will also sometimes play those games.

Ken is a software engineer working in a Mobile and Web Apps company. He is passionate about Game Development, Augmented Reality, and Visual Effects. He has developed several Mobile Games including Jumper AR, Rainbow Mania AR, and Bump 2 Mania with his team using Unity. You can find Ken on Twitter.

JJ is a Unity developer who is passionate about prototyping cool things and working with world-class indie studios.

Emily has been developing for almost a decade for Huntington Ingalls Industries, with a focus on Unity and .NET Core these days. When away from the computer, she can be found snuggling her kitties while knitting, or yelling at them while sewing.

iOS and Unity Engineer | Founder of UnityBR in Brazil | Winner of important brazilian hackathons (Mastercard and Facebook SHIFT, Ambev HackTheWorld, CodeForce Santander, Globo Hackathon, MovileHack, Itau Insights and Hackathon Iguatemi) | Attendant of international events (Vision Summit 2017 at Los Angeles-CA, MENA Transport Global Hackathon and Apple WWDC18 at California) | Traceur (parkour practitioner) | Flugelhornist | Founder of Plantae - Urban production of vegetables and the exchange of excessive produced between community members. Used technologies: Swift/Kotlin (mobile app), geolocation (matchmaking between community members), Apple/Samsung pay, Apple/Samsung health, machine learning for vision computation, AR and IoT (vegetable’s quality analysis).

Srikar is a developer working on building accessible XR.

Iggy is a Software Engineer based in Buenos Aires, Argentina. He loves everything about developing games, but his main focus is on Computer Graphics. Currently, he is a Game Engineer at Globant, working on VR projects for Ubisoft and Facebook. When he is not trying to make pixels pretty, you can find him traveling, drinking good wine or, obviously, playing videogames.

Tammy Coron is an independent creative professional, author of Apple Game Frameworks and Technologies, and the maker behind the AdventureGameKit—a custom SpriteKit framework for building point and click adventure games.

As an innovative problem solver and industry leader, Tammy enjoys working on projects from content creation—including books, tutorials, videos, and podcasts—to the design and development of cross-platform applications and games.

Harrison is a creative technologist, thinking worker, and LinkedIn Learning instructor. His main focus during the day is building iOS applications in Swift, but all his free time goes to game design, Unity development, and technical writing. When he's not reading everything he can get his hands on, he's chasing the feel of golden era hip-hop and taking afternoon naps with his girlfriend and their three cats. You can reach out to Harrison through his company website https://paradigmshiftdev.com.

Ben is a musician turned software developer who works on the VR platform ENGAGE. In his spare time he also edits for the video and board game review site Glitch Free Gaming.

Brian is an instructor at Razeware who develops courses and screencasts on a wide variety of topics of iOS development. When not teaching, Brian plays board games, studies aikido, and tries to keep up with his wife and two kiddos.

Eric is a belgian hobbyist game dev and has been so for more than 15 years. He started with DarkBasic, RPG Maker, Game Maker and XNA. Since 2011 he makes games using Unity. Eric also takes interest in 3D modeling, vector art and playing video games. He is the proud Unity team lead.

Gijs is an indie Unity developer working from his own company www.oddz.nl. Gijs likes to work on educational games and art related projects. He has also started working with VR

Professional Game Programmer, Author of Unity in Action Joe's a software engineer living in Chicago, specializing in interactive media development. He builds games and apps for both mobile and web using technologies like C#/Unity and JavaScript/HTML5. Besides his professional work, he maintains a dev log about his personal projects.

Freelance game artist and hobbyist game developer... occasional author for Ray Wenderlich gamedev books.

Sean is a software engineer by day, and hobbyist game and tools developer by night. He loves working with Unity, and is also a Unity Asset Store developer with a special focus on 2D tools to help other game developers. Some of Sean's more popular Unity Assets include his 2D Shooter Bullet and Weapon System and 2D Homing Missiles assets. You can find Sean at his personal blog or on Twitter

Toby is a software developer inspired by games. When he's not programming or otherwise staring at a screen, you can find him exploring the backcountry, drinking beer, learning a new language, or staring at a wall, absent-mindedly absorbed in his own thoughts. He and his brother made Coffee Pot Terrarium, a turn-based puzzle game and finalist at the Google Play Indie Games Festival 2016.

Is a developer of scientific visualization software for the life sciences. He is also a lifelong gamer and creator of the mixed-reality app, Titan MR, which allows users to explore the surface of Saturn's moon, Titan, and was a finalist for the 2018 Windows Developer Reality Mixer of the Year award and featured in the Unity HoloLens Contest.

Pasan Premaratne is an iOS developer at Credit Karma. Prior to that he spent 7 years at Treehouse, teaching people Swift and iOS development full time. Outside of coding you can find Pasan hanging out with his kids or enjoying a good book.

Nicolai is a video editor of the RayWenderlich team - a team consisting of over 200 developers and editors from all across the world with the goals of creating new apps and teaching people how to make them. When Nicolai is not editing, he's either studying, watching, or playing video games such as Valorant, League of Legends, or even Genshin Impact!

Micah is a video editor as well as an iOS student at raywenderlich.com. 
 When he’s not editing your next video course he is probably watching one of the other tutorials at raywnderlich.com so he can continue building that next great iOS app. If he’s not in front of his computer, he is probably whipping up something delicious in the kitchen, working out at the gym, running, or playing Elite Dangerous and exploring the galaxy or Call of Duty Warzone on Xbox (JunkFoodSanta).

Kelvin Pere is an Android Developer currently working with the Raywenderlich Video Team as a Technical Editor for some of the courses. When not programming, I love to watch tv series and write technical articles.

Scott is an iOS developer at Lyft and an avid open source contributor. With libraries like SDCAlertView and SDCAutoLayout, he tries to improve those parts where the iOS SDK falls short. He occasionally blogs at ScottBerrevoets.com and is also active on GitHub and Twitter.

Alex is an Android and iOS developer at (Thoughtbot)[https://thoughtbot.com/] in Boston, MA. He's a big fan of reactive programming and learning about new ways to create silky smooth Android and iOS applications. In his spare time he enjoys reading, playing video games and rewatching Star Trek: The Next Generation for the billionth time.

Adam Rush is a passionate iOS developer with over 7 years of commercial experience, contracting all over the UK & Europe. He's a tech addict and #Swift enthusiast. When he's not writing code, he enjoys watching sports and spending time with his family. You can reach him by email or on Twitter.

Emmanuel is a Software Engineer with a passion for teaching who has worked with different coding boot-camps. When not creating content for his YouTube channel, consulting or working on a project, he journeys into the cosmic realms in search of the infinity stones in hope that he could make the world a better place.

Founder of poccaDot - a mobile software development company. Passionate about everything iOS related - especially teaching and developing.

Oday is a senior Android developer for an online cars marketplace called Seez. Long-time YouTuber, full-time husband, part-time philosopher.

I'm the author of the Swift Apprentice. I blog about Swift and iOS development at cosminpupaza.wordpress.com and on the Swift tutorial team at appcoda.com. When not coding, I play the guitar or read a good book. You can contact me at cosminpupaza@gmail.com, on Facebook, Twitter and Google+

Marcel started his programming career when his middle school decreed the purchase of a fancy, programmable TI calculator, which eventually became the workhorse for the majority of his maths homework that year, leaving more free time for other things. Since graduating from university in 2013, he has been professionally employed as an Android engineer and turned to full-time remote freelancing under the Mannodermaus moniker after having lived abroad in Japan. Outside of programming, Marcel likes to express himself through music production, having released a plethora of albums and records over his career in various genres.

Barrett is a senior software developer that has focused on mobile development for the last 6 years. In the last couple years he has worked with client big and small across 5 continents like the Emirates Groups, Accor North America to start ups like Zugata. Barrett is passionate about learn new technologies as well as mentoring and helping others getting started in their programming career. When not coding he likes to spend his time in the mountains of Utah hunting and fishing with his wife and three daughters.

Brian is an instructor at Razeware who develops courses and screencasts on a wide variety of topics of iOS development. When not teaching, Brian plays board games, studies aikido, and tries to keep up with his wife and two kiddos.

Caroline ventured out into the world as an unemployed classicist. She then taught herself to code and started up a software company in the UK and later in the US. Retiring to Australia prematurely, she performed marionette shows for pre-schools until she purchased the original iPad. She recognized the creative possibilities and became an indie iOS developer. Now she loves tinkering with vertices and watching Disney movies.

Catie makes things for, with, and about Apple tech in collaboration with her husband, Jessy! She is inspired by everyone at raywenderlich.com to be a positive force in the world. When away from her desk, Catie lifts heavy things, runs around outside throwing Westside Discs, pines for excellent gaming experiences, and tells her cat, Princess Ozma, how fluffy she is.

Divyendu is from the top part of India, a beautiful place called Jammu and Kashmir. He loves to write code both as a hobby and production level. He has been writing hobby code for over a decade and professionally for 3 years. When not coding he engages in football, reading, travels, food (not in order). He can be found on twitter @divyenduz, github @divyenduz, personal site divyendusingh.com and his blog

A very enthusiastic Lead iOS developer with a very diverse experience, from building games to enterprise applications and POCs, specially when exploring new technologies. In the spare time (or time that can be spared) Ehab enjoys watching a few (more like a lot of TV series) if nothing to watch, video games are just as awesome to say the least :] When trying to move away from a screen Ehab enjoys going through challenging escape-room experience with his awesome friends, & attempt to break the escape records.

Jerry is a co-founder of Five Pack Creative, a mobile development company specializing in iOS development. He’s worked on client projects, like American Airlines and Match.com, but lately he’s been pouring his focus into Hours, a time tracking app. He is passionate about creating well-crafted code and teaching others. Jerry enjoys spending time on the beach with his wife and kids, SCUBA diving, and watching movies. You can get in touch via email or Twitter.

In my day job, I write apps (Java, iOS) for space and health at APL. I also teach at the JHU Whiting School Engineer for Professionals Program ("Mobile Applications for the iOS Platform"). Now I'm also a iOS screencaster at raywenderlich.com!

Fascinated by technology consistently making learning easier, Jessy enjoys exploring new techniques involving creative software and hardware combinations, and imparting the experience to others. Along with his wife Catie, you'll find him doing so around here in the form of video tutorials. 😺📹

James is an iOS developer living in Scottsdale, Arizona. He is an avid road cyclist who has taken solo rides from San Francisco to Los Angeles, and Los Angeles to Phoenix. It's difficult to find him in a situation where he isn't either developing or cycling!

<3 coding

I really enjoy developing Android and iOS applications and in my spare time create apps that I freely share. I have been programming on the Android platform for over 8 years and iOS for a year. I have a course on Kotlin on raywenderlich.com and have done talks at conferences.

Lea is a Product Manager for mobile at Rent the Runway. She writes about iOS, UX and UI, teaches iOS classes at GA and volunteers for Girls Who Code. In her free time she plays piano, and tries to use code and technology to make art. Or she just doodles and listens to MIKA.

Ray is part of a great team - the raywenderlich.com team, a group of over 200 developers and editors from across the world. He and the rest of the team are passionate both about making apps and teaching others the techniques to make them. When Ray’s not programming, he’s probably playing video games, role playing games, or board games.

Sam is the CTO of Razeware, the company behind the popular training site raywenderlich.com. He spends his time building the site, creating tutorial videos and doing battle with the internet.

When he’s not working, you’ll find him backstage in a theatre, or entertaining crowds of people with his trombone. You should say hi to him on Twitter: @iwantmyrealname, seek him out as sammyd on GitHub, or check his personal site iwantmyreal.name.

Currently, Spiro is an independent freelance developer who runs a technical consultancy, Material Cause, specializing in native mobile experiences. He has worked in advertising and marketing technology for over 15 years developing award winning solutions for top brands.

Scott is a Swift and iOS book, video course, and tutorial author at RayWenderich.com. He also works as a Software Engineering Author on the Developer Publications team at Apple, and is an Apple Certified Trainer for Swift and iOS. Scott is a veteran of the United States Marine Corps and he currently lives in the St. Louis, MO area. You can find Scott on Twitter or GitHub as @scotteg, or connect with him on LinkedIn at scotteg.com.

Server-side Swift team lead @ raywenderlich.com Vapor expert and mobile developer who has dabbled in everything from reverse engineering to embedded development. I guess I should describe myself as a full-stack developer!

Vijay is a husband, father and senior mobile engineer. Based out of Canada's capital, Vijay has worked on dozens of apps for both Android and iOS. When not in front of his laptop, you can find him in front of a TV, behind a book, or next to his kids. You can reach out at vijaysharma.ca

Tim is a mobile app developer, podcaster and artist. He also teaches iOS dev, Swift and Objective-C. Tim is a lead iOS developer at TD Bank. He also runs iT Guy Technologies, a software development company in Toronto, Canada. He studied Fine Arts before there were Macs and he's worked for many years in software development, IT, graphic design, publishing and printing. He is also the founder, producer and host of the More Than Just Code Podcast on mobile app development & business. Tim is also co-host of Roundabout Creative Chaos podcast.

As Razeware's Senior Project Manager for content (books and videos), Andrea dreams in Trello and makes Gantt charts for fun. If she had spare time, she'd probably spend it eating cheese. And yes, she is Vicki Wenderlich's identical twin!

Full-time computer science professor for Aims Community College in Colorado where she created and teaches certificates in Mobile Apps development as well .NET. Prior to teaching, she was a full-time software engineer creating .NET applications in C# for a financial industry. She has been a Google Developer Group organizer and a hobbyist Android developer for the last 9 years. In her spare time, she enjoys being a mom, rollerblading, horseback riding and spending time with her dogs and cats.

Gina is a self taught iOS developer from Southern California. She began her iOS journey in 2014 and loves Swift! When she is not working on apps, she's catching up on Adventure Time episodes. On sunny days (which is often in SoCal) she is working on her grilling skills and is always experimenting with recipes.

Adrian is a freelance iOS developer and Project Manager living in the South West of England. He\'s worked on iPhone and iPad apps since 2010 (iOS3) and specializes in mobile- and web-based application development.

Cesare Rocchi runs Studio Magnolia, an interactive studio that creates compelling web and mobile applications. He blogs at upbeat.it. You can find him on Twitter.

Joshua Greene is an author and video instructor for RayWenderlich.com. He's an experienced software developer and has created many mobile apps. When he's not slinging code, you can find him wandering the streets of Tokyo. Reach him on Twitter @jrg_developer.

Mobile Developer passionate about creating amazing apps with great user interfaces. Founder of aldominium.com, company dedicated to create awesome video tutorials for college students.

iOS Developer & Contractor. Disciple of Code! and a joyful part of the Ray Wenderlich iOS Video Team. Also teaches on Udemy and is a total 'Learn-o-holic'.

Jonathan Wong is a mobile developer at Square, is a member of the video team at raywenderlich.com, is an author at pluralsight.com, and runs his own blog and YouTube channel, Mobile Under 10. He’s a software engineer in sunny San Diego where he’s worked on everything from mobile apps, to front-end Javascript, to server-side development. When he’s not taking care of his two kids, three cats, or five chickens, he’s usually trying to steal away time for a good run or a good cup of coffee.

Software professional hanging out in the southwest US desert. Interested in all sorts of languages, good user experiences, and collaboration through technology. I enjoy learning new things and helping others do the same.

Heidi is a Vapor developer at Nodes Agency - part of Monstar Lab, public speaker, Physicist, and "former" high school teacher. When she's not by her computer chances are pretty good that she's deeply engaged in a book or creating something (eatable) in the kitchen

Kenny Dubroff is a Full Stack iOS Engineer. His focus is on writing clean, reusable code. Kenny has consulted for businesses and taught individuals to develop software using best practices. Kenny has worked on several apps on the Apple App Store for private clients, and previously published a 4-star Fact-Checking App with a backend that he built. Kenny is a cat-lover, Tech Editor, Author, and hardcore n00b pwn3r in many online games.

Max is a Swift developer and a co-maintainer of SwiftWasm and Tokamak open-source projects. When not writing Swift, Max is either hiking, reading popular science and sci-fi books, or playing old PC video games.

Nathan Harris is a software engineer with almost a decade of experience building applications for Windows, iOS, the server, and web. His primary focus for the last few years has been Server-side Swift, and is the author of packages such as RediStack and SwiftCurrency.

Gustavo is a Swift developer, because mIRC scripting is not hot anymore.

Jonathan Wong is a mobile developer at Square, is a member of the video team at raywenderlich.com, is an author at pluralsight.com, and runs his own blog and YouTube channel, Mobile Under 10. He’s a software engineer in sunny San Diego where he’s worked on everything from mobile apps, to front-end Javascript, to server-side development. When he’s not taking care of his two kids, three cats, or five chickens, he’s usually trying to steal away time for a good run or a good cup of coffee.

Natan is an iOS developer at Houzz. Although he loves writing Swift both for iOS and Server Side applications, he learned how to program in Objective-C a few months after the AppStore launched. As a self-taught programmer coming from a B.Sc. in Pharmacy & Biochemistry, he believes everyone is able to learn how to program and express their creativity. You can find him on GitHub, Twitter and his blog.

Jimmy is the CTO of gotranseo.com and an avid Server Side Swift developer and user. He started his career as an iOS developer but quickly fell in love with the potential to use Swift on other platforms. When he's not programming or writing, Jimmy can most likely be found playing with his dogs.

Studying aeronautical engineering in Germany. In my spare time I develop apps in Swift, C++ or do aerobatics.

Server-Side Swift & iOS Developer. Two time WWDC Scholarship winner. Currently working as a Tech Lead at Wehkamp, one of the biggest online retailers in the Netherlands. In my spare time I enjoy playing video games, or working on various side projects.

Jeremy is the Director of Engineering at the digital agency Mobelux in Richmond, VA. When not managing teams, projects, and clients he writes Swift for Apple platforms and servers. In his free time he enjoys rock climbing and ultra endurance racing.

Ryan is a full stack developer at Alto. He enjoys designing and building systems that help automate away the boring stuff to let humans focus on begin creative. When he’s not writing code, Ryan is probably making music, running hills, or watching a movie.

Walter was first exposed to computers in 1979, when an Apple ][ came to live with his family. Shortly thereafter, he had some actual programming classes using Fortran and punch cards. Building things with computer software/hardware has been part of his life ever since. During what he calls the Dark Years, Walter worked in IT Management. Finally, he escaped the corporate world in 2010. Walter primarily supports his family through contract software development in iOS and leading hands-on training classes. He earns an additional pittance from the various app stores.

Mobile Software Engineer with +7 years working on large entity projects. Currently working with Xamarin and Microsoft technologies. I have experience developing and delivering native mobile apps from scratch for Android/iOS using Java/Swift or Xamarin with C#.

Jaap is a freelance Swift developer based in Amsterdam. While his background is in theoretical physics, nowadays he's mostly coding and preferably in Swift. Jaap was first introduced to iOS developing when Obj-C was still the only option. But when Swift was announced he instantly jumped at the new language and made it his favorite. His main expertise is applying Swift in a serverside context but has also dabbled in using Metal and building apps on macOS and iOS.

Brian lives in Portland, Oregon and is Mobile Team Lead with Beezwax Datatools. He's mastered technologies ranging from deep data back-end tools to front-end UI and UX best practices, and is currently happily obsessed with all things Swift. When not coding, Brian can be found hiking, tending bamboo, woodworking, or hanging out with the world's two bestest dogs and enjoying a good craft brew or three.

I started programming in the early 1980s and was an instant Mac fan as soon as I saw my first one. When it became possible to write apps for the iPhone, I taught myself Objective-C and started to program for iOS and then for Mac OS X using Objective-C. As soon as Swift was announced, I realised that it would be the next great thing and started reading and learning as much as I could. I write my own apps under the name TrozWare and blog (mainly about Swift) at http://troz.net I love puzzles, reading (mainly fantasy & sci-fi) and talking about tech and programming.

Software Developer originally from the U.K. but now residing just outside of Washington D.C. in Northern Virginia. Currently working as an app developer specializing in iOS for M.C. Dean, Inc, a systems integration provider based out of Northern Virginia. When not coding you will find me enjoying EPL Football, spending time with my family and traveling as much as possible

Audrey Tam retired at the end of 2012 from a 25-year career as a computer science academic. Her teaching included Pascal, C/C++, Java, Java web services, web app development in php and mysql, user interface design and evaluation, and iOS programming. Before moving to Australia, she worked on Fortran and PL/1 simulation software at IBM's development lab in Silicon Valley. Audrey attends many concerts at Tempo Rubato and does most of her writing and zooming at Rubato Upstairs.

Shai is the iOS Tech Lead @ Gett, the on-demand mobility company. On his spare time you can find him active on several Open-Source projects (mainly the RxSwiftCommunity and RxSwift projects), or playing his guitar and recording & mixing in his home-studio. Shai is also a huge fan of Hackathons and winner of some (1st place BattleHack Tel-Aviv 2014, Battlehack World Finals San Jose 2014, Ford Developer Challenge Tel-Aviv 2015). You can find Shai on GitHub and Twitter.

Server-side Swift team lead @ raywenderlich.com Vapor expert and mobile developer who has dabbled in everything from reverse engineering to embedded development. I guess I should describe myself as a full-stack developer!

Cesare Rocchi runs Studio Magnolia, an interactive studio that creates compelling web and mobile applications. He blogs at upbeat.it. You can find him on Twitter.

Server Side Swift and iOS developer. Passionate about opensource, particularly performance and security. "Doing it myself" is a norm, not the exception. Always looking to learn more.

Antonio is a veteran code writer who started tapping on keyboards when memory was measured in bytes instead of gigabytes, storage was an optional add-on, and the most used language was BASIC. Today he loves developing iOS apps, writing node.js backends, and he never misses a chance to learn something new. He finds Swift a very expressive language, and still thinks Objective C is great and unconventional.

Alfred is a Software Developer for more than 35 years, he started with C and C++, after Java, Python, Groovy, Lua, Golang and Swift he is now focussing on Dart and Flutter. In January 2021 he joined the Flutter Team on raywenderlich.com. When he's not freelancing on client projects, he's working on his personal projects - just for fun - or taking a walk with his wife.

Ahmed is an Android developer and an open source contributor with libraries like RichPath and Instacapture, always he wants to push the limits of the Android platform’s capabilities. You can find Ahmed on Twitter and LinkedIn.

Brian's career had him working on video games, eCommerce, productivity, finance and travel apps. After spending years working as an iOS and Android developer, he sees Flutter as the next big pillar for mobile. www.briankayfitz.com

Android developer with a huge passion for learning, teaching, and discussing technologies. Public speaker, mentor, video instructor, content creator. Google Developer Expert for Android & Kotlin. When I'm not talking about coding, or writing about coding, or coding in general, I play D&D, Magic The Gathering, video games, and do rock climbing!

Jonathan knows what it like to bang his head against a wall because his app isn't working. He also understands the all-too-frequent feeling of still being completely lost even with twenty-seven browser tabs open. Once he finally does understand a topic, though, he enjoys writing the explanations and directions he wishes he had when he started. Jonathan doesn't like waisting time rebuilding the same app on multiple platforms and in different languages, so that's why he uses Dart for mobile apps, Dart for desktop apps, Dart for the web and Dart on the server. You'd have a hard time convincing him to ever go back. Online he usually goes by the name Suragch, which is a Mongolian word meaning "student", a reminder to never stop learning. In his free time he also also enjoys studying human languages, reading about microbiology and discussing deep topics with open-minded people.

JB is an Engineering Manager currently based in Berlin. JB has more than 10 years of experience in tech. JB has been with OLX Group for more than 5 years, two years of which are from the Philippines and the rest from Berlin. Before that he worked for several years in a company that serviced clients such as NFL, HSN and other large media companies. He likes exploring new technologies related to mobile, especially those that can improve developer productivity. JB enjoys experiencing different cultures via food, language, and travel.

An Open Sourcerer with a passion for learning and building excellent products. I have 4 years of professional experience as a Software Engineer mostly in startups. My hobbies include writing, drawing, reading crime fiction and exploring other tech stacks.

Umit is a flutter lover. He is writing blogs and developing apps with Flutter. He always wants to improve himself. He is passionate about learning and sharing new things, part of the community, meet with new people. When he’s not writing Flutter, he’s probably playing video games or learning something to new.

Godfred is a software engineer from Ghana with focus on mobile and backend applications. He loves sports and spending time with friends. Cats and dogs are overrated, monkeys are the best!

Mobile Developer passionate about creating amazing apps with great user interfaces. Founder of aldominium.com, company dedicated to create awesome video tutorials for college students.

Alex is an Android and iOS developer at (Thoughtbot)[https://thoughtbot.com/] in Boston, MA. He's a big fan of reactive programming and learning about new ways to create silky smooth Android and iOS applications. In his spare time he enjoys reading, playing video games and rewatching Star Trek: The Next Generation for the billionth time.

I wrote my first program when I was 12: it was a text-based fantasy game for Commodore 64. A few years later, I'm now a trainer (MCT), author, speaker, passionate software architect, and always a proud coder. I love Flutter and aim to help developers achieve more through training and mentoring.

Edson is passionate about building apps and development teams.

Yogesh is primarily a machine learning engineer but also has good experience in app development and embedded system. He is passionate about learning, sharing, discussing technologies, and exploring. Out of his coding life, he works on polishing his leadership skills, co-ordinating his college's club, opening hoods of automobiles, playing football, and watching anime.

Ben Wicks is mobile applications developer at Farm Credit Services of America in Omaha and a co-organizer of Omaha's Google Developer Group. Ben was first introduced to Android development in his senior computer science class in High School. Since graduating from the University of Nebraska at Omaha in 2014, Ben has contributed to five enterprise Android applications. Ben is passionate about testable architecture and helping new mobile developers find that spark to constantly learn and grow.

Stef is passionate about helping others learn, which includes mentoring, writing and editing documentation, data wrangling and coding by example. Throughout most of her career, she has worked as a senior SQL developer and analyst. In 2013, she started creating iOS apps using raywenderlich.com books and articles. Now, thanks to Flutter, Stef is creating natively compiled cross-platform apps. Stef loves movies, trivia nights, Sci-Fi and spending time with her husband, daughter and their Chiweenie, Gracie. You can find her on Twitter at @geekmespeakstef.

Prajwal is a passionate Flutter Developer and is exploring other tech stacks. When he's not coding, he plays Cricket, watches food vlogs.

Vid is a programmer from Slovenia and works as Tech Editor for Flutter team here at raywenderlich.com as well as a frontend developer at WideLabs Zurich. He is a programming enthusiast and enjoys learning new things and exploring the capabilities of modern tech.

Telecommunications Engineer with a passion for the mobile space and new technology trends. His main interest is to develop technologies that have a positive effect on the world. When he is not developing something, you can find him cooking or playing the guitar!

I am the founder, a web and mobile app developer at Bandughana. As a web developer, I mostly work in the TALL stack. Flutter has been my major focus for mobile apps since I started learning it in 2018. When I'm not working on hobby projects during my free time, you'll probably find me watching football or reading news.

Girish is co-founder of SnapCommute Labs, which is specializing in solutions for Mobility sector. Girish is a CA and CISA having experience in various domains of large corporates. He currently takes care of frontend development at SnapCommute apart from looking into regular operations and finance. He also works on Flutter and Cordova Plugins for the clients.

Michael is a Flutter developer and enthusiast who enjoys sharing his passion for Dart and Flutter with others. When he's not basking in the euphoria of Dart code you can find him reading a good sci-fi adventure or skiing in the Rocky Mountains near his home.

Michael is passionate about building mobile apps. He enjoys working with Flutter. Check his work at michaelkmalak.com

Samarth is a Flutter expert and is currently playing roles as a Developer, an Instructor, and a Consultant. He has reached more than 20K students across the globe with his courses, articles, and videos on cross-platform mobile application development. Samarth also owns a YouTube channel where is shared amazing videos on mobile app development. When Samarth is not writing code, you can find him cruising around in Liberty City.

Software developer with more than 5 years of experience focusing mostly on mobile development. Sardor has developed wide range of applications from IoT to e-commerce. He has a good understanding of Swift, Kotlin and Dart languages.

I have been a software developer for over forty years, starting out on the ZX81 (Timex Sinclair 1000) and going downhill from there. I work front and back end, high and low level, writing code that is legible and utterly opaque in equal measure (though I aim for the former). I am believe that the laws of software development are advisory, much like the laws of physics. I also write fiction, radio and television comedy, and reviews of genre audio drama; and in a past life I spent ten years as a stand up comic. In my spare time I have a day job.

I'm a student👨🏻‍🎓 and Flutter developer💙. Other than that, my skills and interests revolve around technical writing✒️, PowerPoint📊, graphic design🖌️, and music production🎼.

Software engineer at Touchwonders, and writer of a mobile development blog: I should go to sleep.

Vinny is working as an Infrastructure Engineer at Spotify, Stockholm. When he's not coding, he loves playing video games, reading sci-fi, and snowboarding. He's lived in Italy, the UK, France, and now Sweden with the hope of traveling to many more places to live and work in the years to come.

Alejandro is a passionate, dedicated, all-mobile developer. He maintains a couple of Flutter plugins http_interceptor, widgetkit, and a simple app called DaysWithoutIncidents. When away from the keyboard, he enjoys a good adventure, reading fantasy books or helping others in any way he can.

Yan has been programming since the age of 12. He has experience in many areas of developing including games, backends, webpages, mobile apps. Tries to improve his teaching skills and helps others with code problems. Love anime and new technologies.

Flutter and iOS developer | Founder of CODEAAMY: An App development Company. Interested in blog writing and making youtube videos. To relax you will find me playing basketball or watching funny cat videos.

Ross snuck into the world of iOS development in 2010, and hasn\'t been thrown out yet. He\'s a keen Swift developer, enjoys board gaming and ceilidh dancing, and would absolutely love a cup of tea, milk no sugar ta, thank you for offering. He currently works near Manchester, UK.

Islombek is a member of an incredible team at Weltlink, an avid fan of Apple and a B.Sc. of Business Information Systems from Westminster University. His journey to becoming a developer started with solving bugs on Windows that didn't let him play his favorite video games. He's passionate about learning new technologies and meeting new people. When he's not in front his laptop, he's probably taking a stroll and enjoying life or sleeping :]

iOS Developer {Swift} || Telecom Engineer:- RayWenderlich iOS Bootcamp 2020 Top graduate, Passionate about Building/Tinkering/Learning & sometimes breaking things for iPhones when Xcode is in a 😀 Good Mood & not crashing unexpectedly.

I am an Android Developer who loves to write clean code, best practices, I use MVVM pattern, Single activity and multiple fragments and kotlin coroutines to handle asynchronous operations

Joan handles email support requests from both customers and team members at RayWenderlich.com. Aside from being the main person behind the helpdesk, she also helps complete admin-related tasks for the team. When not working, you can surely find Joan reading books, cooking, practicing her watercolors, playing board games with her family (including their cat), or booking flights!