Top 20 Cross-Platform Mobile App Developers
Explore the rise in cross-platform app development. Uncover its benefits, limitations, and why it’s becoming a go-to strategy for businesses seeking to expand their digital reach efficiently. β

Below is a ranked list of internationally recognized developers known for their work in cross-platform mobile development.
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Miguel de Icaza
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James Montemagno
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Mike Grabowski
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Nader Dabit
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Pawan Kumar
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Remi Rousselet
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Brian Egan
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Felix Angelov
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Simon Lightfoot
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Hillel Coren
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Andrea Bizzotto
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Max Lynch
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Brent Vatne
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Bright E. Sunu
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Charlin Agramonte
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Pooja Bhaumik
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Rody Davis
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Majid Hajian
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Zebiao Hu
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Jamon Holmgren
These individuals have excelled equally across key areas: contributing to open-source projects, founding or leading startups while still coding, influencing the tech community via blogging or speaking, working at major tech companies, or winning prestigious coding competitions. Each entry includes a brief bio highlighting their qualifications and links to their public profiles.
Miguel de Icaza
Nationality: Mexico/USA
Miguel is a programmer famous for pioneering cross-platform development. He co-founded Xamarin (acquired by Microsoft) and earlier launched the GNOME desktop and Mono project, making .NET applications run on multiple platforms.
A long-time open-source advocate, de Icaza has been a driving force behind tools that enable developers to build mobile apps for Android and iOS using C# and .NET. His contributions earned him recognition as an Innovator under 35 by MIT Technology Review and a role as a Distinguished Engineer at Microsoft after the Xamarin acquisition.
- GitHub: migueldeicaza
- Twitter: @migueldeicaza
- LinkedIn: Miguel de Icaza
James Montemagno

The Future of Multi-Platform Development in Visual Studio.
Nationality: USA
James is a Principal Program Manager at Microsoft and a prominent figure in the Xamarin and .NET MAUI communities.
A developer since 2005, he has been building multi-platform mobile apps for iOS, Android, Windows, and macOS since 2011 using Xamarin. Montemagno is known for creating popular Xamarin plugins, blogging and podcasting about mobile development, and actively engaging with the developer community. He co-hosts the weekly “Merge Conflict” podcast and produces training content, making him a key influencer for cross-platform C# developers.
- GitHub: jamesmontemagno
- Twitter: @JamesMontemagno
- LinkedIn: James Montemagno
- Website/Blog: montemagno.com
Mike Grabowski
Nationality: Poland
Mike is a software engineer recognized as one of the world’s top React Native experts. He is a core contributor to the React Native framework and has been extremely active in its open-source community.
Grabowski co-founded Callstack, a React Native-focused development agency, where he leads engineering and helps companies adopt cross-platform mobile solutions. He also organizes React Native EU, the first European conference dedicated solely to React Native. Mike’s frequent contributions (like co-authoring the popular React Native Paper library) and talks have cemented his reputation in the hybrid mobile dev scene.
- GitHub: grabbou
- Twitter: @grabbou
- LinkedIn: Mike Grabowski
Nader Dabit
Nationality: USA
Nader is a developer, author, and tech evangelist who gained prominence in the cross-platform realm as a React Native expert.
He hosted and created the popular React Native Radio podcast, recording over 180 episodes with various industry experts. Dabit also wrote React Native in Action and has contributed to open-source libraries in the React Native ecosystem. Formerly a Developer Advocate at Amazon Web Services (AWS) focusing on mobile and web, he remains an active community leader and blogger. Nader’s work bridging React Native with cloud and his educational content have made him a well-known influencer for mobile developers.
- GitHub: dabit3
- Twitter: @dabit3
- LinkedIn: Nader Dabit
Pawan Kumar
Nationality: India
Pawan is an Indian developer who has emerged as a leading voice in the Flutter community. He runs the popular MTechViral YouTube channel and blog, where he educates developers on Flutter best practices.
He has built numerous open-source example apps (his Flutter samples repo has thousands of stars and actively mentors newcomers. Pawan also founded the “Let’s Flutter” Facebook group and Slack community, nurturing a vibrant community of Flutter enthusiasts. He frequently speaks at tech conferences, reflecting his passion for sharing knowledge and his status as a go-to expert for cross-platform mobile dev in Flutter.
- GitHub: iampawan
- Twitter: @imthepk
- LinkedIn: Pawan Kumar
Remi Rousselet
Nationality: France
Rémi is a software developer known in the Flutter community for his impactful open-source contributions. He created the Provider state management library, one of the most widely used packages in Flutter, and has contributed to many other plugins.
Rémi is known for his helpful presence on Stack Overflow – he has posted over 500 answers on Flutter topics and at one point was the top-ranked answerer on Flutter’s StackOverflow tag. His deep understanding of Flutter’s inner workings led to speaking invitations (e.g., It’s All Widgets! podcast). Despite his modesty, Rousselet’s code and community support have significantly shaped Flutter best practices and earned him global recognition among cross-platform developers.
- Linkedin: Remi Rousselet
- GitHub: rrousselGit
- Twitter: @remi_rousselet
Brian Egan
Nationality: USA
Brian is an American software engineer and prolific open-source contributor in the Flutter ecosystem. He has authored some of Flutter’s most popular libraries, including RxDart, Flutter Redux, and the Flutter Architecture Samples, which demonstrate best practices for structuring apps.
Brian led Android development teams at SoundCloud and web teams at Zappos, experience that he now channels into Flutter development. Currently based in Berlin, he worked with the Flutter team at Google to create the Flutter Cookbook and continues to consult for top tech companies. Egan’s mix of real-world experience and open-source impact makes him a respected authority on cross-platform app architecture.
- GitHub: brianegan
- Twitter: @brianegan
- LinkedIn: Brian Egan
- Website: brianegan.com
Felix Angelov
Nationality: USA
Felix is a software engineer known for creating flutter_bloc, the Dart package that spearheaded the BLoC pattern (Business Logic Component) for Flutter state management.
Originally from Eastern Europe but now working in Chicago, Felix builds innovative cross-platform solutions at BMW’s tech team. He maintains the Bloc library and has curated the largest collection of BLoC architecture resources for Flutter developers, greatly simplifying complex state management in apps. Felix is also active in the community through conference talks and tutorials, helping developers worldwide structure their Flutter apps more effectively with the patterns he advocates.
- GitHub: felangel
- Twitter: @felangelov
- LinkedIn: Felix Angelov
Simon Lightfoot
Nationality: UK
Simon is a British developer and a prominent community leader in the Flutter ecosystem. He co-founded Flutter Study Group (a large Slack channel for Flutter devs) and co-hosts the “Flutter Widgets” podcast, where he shares tips and deep dives on Flutter UI components.
As CTO of DevAngels London, Simon has built numerous cross-platform apps and regularly contributes insights on hybrid development. He’s an organizer of meetups, a frequent helper in online forums, and was an early adopter of Flutter. Lightfoot’s evangelism and willingness to mentor others have made him one of the most recognized Flutter experts in Europe.
- GitHub: slightfoot
- Twitter: @devangelslondon
- LinkedIn: Simon Lightfoot
Hillel Coren
Switching from backend to frontend development has a very strong ‘warrior in a garden’ feel to it. My day-to-day activities have changed from fending off spammers and hackers to deciding which shade of blue looks nicer.
Nationality: Israel
Hillel is an Israel-based software developer best known as the co-founder and lead developer of Invoice Ninja, a popular open-source invoicing app built with cross-platform tech.
A Google Developer Expert in Flutter, Coren also created ItsAllWidgets.com, a showcase and podcast hub for Flutter apps and developers. With a career spanning both .NET and Flutter, he’s helped bridge enterprise and startup worlds. Hillel frequently blogs about Flutter on his personal site and is passionate about nurturing the global Flutter community. His ability to deliver production apps (Invoice Ninja serves hundreds of thousands of users) while engaging with the community has made him a respected figure in cross-platform circles.
- GitHub: hillelcoren
- Twitter: @hillelcoren
- LinkedIn: Hillel Coren
- Blog: hillel.dev
Andrea Bizzotto
Nationality: Italy
Andrea is an Italian software engineer, educator, and author well known in the Flutter developer community. He runs Coding with Andrea, a blog and video series where he teaches Flutter development step-by-step, often explaining the reasoning behind design decisions.
After years of professional iOS development, Andrea embraced Flutter early and authored the book Flutter Complete Reference. He has created thorough tutorials on topics like animations and architecture, helping developers globally to up-skill. Bizzotto’s clear teaching style and deep dives have established him as a top influencer for those learning cross-platform mobile development with Flutter.
- Linkedin: Andrea Bizzotto
- Twitter: @biz84
Max Lynch
Nationality: USA
Max Lynch is the co-founder and CEO of Ionic, one of the earliest and most successful cross-platform mobile app frameworks. He launched Ionic in 2012 with the vision of enabling web developers to build mobile apps using web technologies.
Under his leadership, the open-source Ionic Framework garnered a community of over 5 million developers worldwide. Max is a hands-on technologist (with a background in computer science) who still codes and contributes – for example, he helped create Capacitor, Ionic’s cross-platform runtime. His work has been instrumental in popularizing the hybrid app approach, making him a globally recognized entrepreneur-developer in the mobile space.
Brent Vatne
Nationality: Canada
Brent is a Canadian developer renowned for his contributions to the React Native ecosystem. He is one of the most prominent React Native community members, known for authoring and maintaining multiple libraries such as React Navigation (the de facto routing solution for React Native) and react-native-video, as well as being a core team member of Expo.
Brent has been a key developer at Expo, driving improvements that make React Native development easier and more accessible. He’s also a frequent speaker at conferences and was a curator of the React Native Newsletter. His open-source leadership and community work have made him a go-to expert for cross-platform mobile development in JavaScript.
- Linkedin: Brent Vatne
- GitHub: brentvatne
- Twitter: @notbrent
Bright E. Sunu
Nationality: Ghana
Bright Etornam Sunu is a Ghanaian software engineer and Google Developer Expert in Flutter & Dart. As a Senior Mobile Engineer, he specializes in building resilient cross-platform apps for Android and iOS, and is passionate about modern software architecture.
Bright actively contributes to open source and is a co-organizer of Flutter Africa, a community initiative empowering African developers. He frequently shares knowledge through talks and tutorials, helping to grow Flutter’s adoption across Africa. By combining technical skill with community leadership, Bright has become one of the most recognized mobile developers in the region, representing Africa on the global stage of cross-platform development.
- Twitter: @_iamEtornam
- LinkedIn: Bright Etornam Sunu
- Website/Blog: etornam.dev
Charlin Agramonte
Nationality: Dominican Republic
Charlin, often known by her blog alias “XamGirl”, is a Xamarin and .NET developer from the Dominican Republic.
With over five years of experience in C# and Xamarin.Forms development, Charlin has earned the title of Microsoft MVP for her contributions to the mobile dev community. She writes a popular blog (xamgirl.com) covering cross-platform mobile tips, Xamarin tutorials, and plugin development. Charlin also builds open-source components and shares QuickTips that help developers solve everyday problems in Xamarin. As a self-made developer and community contributor, she is a role model especially for Latin American and women developers in the cross-platform space.
- LinkedIn: Charlin Agramonte
- Blog: XamGirl.com
Pooja Bhaumik
Nationality: India
Pooja is an India-based software developer who has made her mark as a Flutter expert and community evangelist. Originally a designer, Pooja transitioned to coding and has been crafting Android and Flutter apps since her teens.
She was an early adopter of Flutter and is revered in the community for her blogging, public speaking, and open-source contributions. Pooja often writes about freelancing with Flutter and has been featured at international conferences, sharing insights from a developer’s and a designer’s perspective. As a co-founder of WomenDroid and a mentor to many, she’s also an advocate for women in tech. Her multifaceted involvement makes her one of the most recognized Flutter developers in South Asia.
- GitHub: PoojaB26
- Twitter: @pooja_bhaumik
- LinkedIn: Pooja Bhaumik
Rody Davis
Nationality: USA
Rody is an American full-stack developer who gained international recognition by winning a top prize in Google’s Flutter Create competition. He built “The Pocket Piano” app, which won the Code Quality Award in the Flutter Create contest for its elegant implementation under the 5KB code-size limit.
A self-described “polymath programmer”, Rody works on native, web, and hybrid apps and even created an award-winning Space Curiosity app showcased by the Flutter team. He is active in open source and education, maintaining Flutter packages and writing articles about his coding adventures. Davis’s knack for rapid prototyping and clean architecture, proven by contest success, highlights his excellence in cross-platform development.
- Twitter: @rodydavis
- YouTube: Rody Davis
- Website: rodydavis.com
Majid Hajian
Nationality: Iran/Norway
Majid is an Iranian-Norwegian developer and a leading authority on Flutter and cross-platform best practices. He works as a Senior Developer Advocate at Microsoft and is a Google Developer Expert for Flutter & Dart.
Majid has over 15 years of experience in software engineering and is the author of Flutter Engineering, a book and blog series that delves into advanced Flutter architecture. He co-organizes the Flutter Vikings conference in Scandinavia and is a frequent speaker globally. Known for his passion and energy, Majid actively mentors developers and shares knowledge as a content creator, making him a highly influential voice in the cross-platform developer community.
- GitHub: mhadaily
- Twitter: @mhadaily
- LinkedIn: Majid Hajian
Zebiao Hu
Nationality: China
Zebiao is a self-taught developer from Shenzhen, China, who became globally known after winning the Grand Prize in the inaugural Flutter Create competition in 2019.
He built a highly polished Compass app under the strict 5KB Dart code limit, impressing judges with its design and functionality. At the time, Zebiao was relatively new to Flutter – he had learned it just weeks before the contest – showcasing his rapid learning and coding skills. Working as a coder in Shenzhen’s tech scene, he embraced cross-platform mobile development as the industry moved “mobile-first”. Zebiao’s story as a “beginner” who clinched a global coding contest has inspired many developers, and he continues to experiment with Flutter and share his experience within the Chinese developer community.
- GitHub: zesage
- X (Twitter): @zebiaohu
- Profile: Google Developers Blog – Zebiao Hu
Jamon Holmgren
Nationality: USA
Jamon is an American developer and entrepreneur who plays a key role in the React Native community. He is the co-founder and CTO of Infinite Red, a consultancy that has specialized in React Native for years.
Jamon is an official React Native Core Contributor and currently hosts the React Native Radio podcast (picking up the mantle to continue the popular show). With a decade of cross-platform mobile experience, he has led his team in building apps for startups and enterprises, championing React Native’s adoption in industry. Holmgren is also known for his community involvement – from writing blog posts demystifying RN’s success to active participation in forums. His leadership and advocacy make him one of the most respected cross-platform mobile developers in North America.
- GitHub: jamonholmgren
- Twitter: @jamonholmgren
- LinkedIn: Jamon Holmgren
- Website/Blog: jamon.dev
Each of these developers has contributed significantly to the field of cross-platform mobile app development, whether by writing code that other developers rely on, sharing knowledge through community leadership, or pushing the boundaries of what’s possible across multiple mobile platforms.
These legends represent exceptional talent, making them extremely challenging to headhunt. However, there are thousands of other highly skilled professionals available to hire with our help. Contact us, and we will be happy to discuss your hiring needs.
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Tags: app, coders, crossplatform, developers, development