Petr Bela
Co-Founder, CTO at Zealous
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolPetr Bela is a seasoned startup CTO and serial founder with 15 years of experience building consumer and creator-focused platforms, currently leading product and engineering at Zealous, an AI-driven content marketing tool for podcasters and social audio hosts. He co-founded Flex TV (Techstars Boulder 2018) and has led platform rewrites and mobile rebuilds as CTO at Plotaverse, demonstrating a strong mix of product intuition and hands-on engineering. Petr’s background spans full-stack systems, iOS mobile integrations, and AI/ML from his M.S. at Georgia Tech, and he’s contributed to widely used open-source projects such as moment.js and React Native Google Cast—improving internationalization and iOS playback integrations. Comfortable moving between strategy and code, he has a track record of shipping scalable architectures, mentoring teams, and turning early technical bets into fundable startups. Based in Prague, he combines entrepreneurial grit with international experience across YC, Techstars, and multiple exits and pivots.
14 years of coding experience
17 years of employment as a software developer
Grammar School, General, Grammar School, General at Maticni gymnazium OstravaExchange, Computer Science, Exchange, Computer Science at Delft University of TechnologyBachelor, Computer Science, Bachelor, Computer Science at Technical University of OstravaInformatics, Informatics at Czech Technical University in PragueMaster of Science (M.S.), Computer Science, Master of Science (M.S.), Computer Science at Georgia Institute of Technology
French, Portuguese, Spanish, English, Czech, German, Slovak, Dutch, Polish
Stackoverflow
8,633reputation
745kreached
60answers
4questions
react-context
top-5%
react-hooks
top-5%
webpack
top-1%
jquery
top-1%
graphql
top-1%
react-native
top-5%
Github Skills (35)
objective-c10
javascript10
ios10
c-language10
react-native10
jquery10
testing10
internationalization10
webpack10
momentjs10
localization10
mobile10
graphql10
react10
clang10
Programming languages (16)
Github contributions (5)
react-native-google-cast/react-native-google-cast
Feb 2017 - Jan 2023
React Native wrapper for the Google Cast SDK
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:35 releases, 15 reviews, 168 commits in 5 years 11 months
Contributions summary:Petr primarily contributed to the React Native wrapper for Google Cast SDK, enhancing compatibility with React Native versions and implementing new features. They focused on iOS-specific aspects, including implementing playback control functions (play, pause, stop, seek), setting the default expanded media controls, session events, and supporting custom channel integration. The user also worked on integrating the cast button and improving the overall user experience of the iOS implementation.
reactcast-librarychromecastreact-nativeandroid
watch-connectivity/react-native-watch-connectivity
Feb 2018 - Aug 2018
Enable communication between apple watch app and react native
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:10 commits in 6 months
Contributions summary:Petr primarily refactored and updated the example project structure, adapting it for iOS. They reorganized the project to nest the example application under an "example/" directory and renamed the example project to "RNWatchExample." The user also migrated the project to use RCTEventEmitter for event handling. Their changes included updates to the `AppDelegate` and the main application file to reflect the new structure and the removal of redundant code. These changes indicate a focus on improving the project's structure and demonstrating its functionality.
reactreact-nativeapple-watchcommunicationios
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.