Mateusz Kosoń
Senior React Native Developer
Wrocław, Lower Silesian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolMateusz Kosoń is a Senior React Native Developer based in Wrocław with seven years of experience building mobile-first applications and front-end systems. He has progressed from JavaScript and React roles into senior React Native work at Callstack, shipping cross-platform mobile features and contributing to platform integrations. Comfortable across the stack, he pairs React/TypeScript expertise with practical backend experience (Node.js) and has implemented payment and social integrations like Braintree and Facebook. Beyond mobile, he explores systems programming with Bash and Rust, reflecting a curiosity for low-level tooling that complements his app-level skills. Active on GitHub, he maintains projects that showcase this blend of UI focus and systems thinking.
7 years of coding experience
3 years of employment as a software developer
University of Wroclaw
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (27)
financial10
ios10
react-native10
material-design10
chat10
android10
react10
collaboration9
context-api8
facebook-ads8
spotify-api7
facebook7
spotify7
ads7
api6
Programming languages (4)
Github contributions (5)
matkoson/Spotify-React-Client
Jan 2019 - Jul 2019
React-based client app, using both Spotify Web API and Spotify Web Playback SDK
Contributions:165 commits, 15 pushes, 1 branch in 6 months
jestcode-splittingplaybackreact-testing-libraryreactjs
matkoson/react-native-paper
Apr 2020 - Sep 2020
Material Design for React Native (Android & iOS)
Contributions:2 PRs, 40 pushes, 6 branches in 5 months
reactreact-native-androidreact-nativematerialios-android
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