Julian Kobryński
Senior React Native Developer
Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolJulian Kobryński is a Senior React Native Developer with 7 years of hands-on experience building cross-platform mobile apps, currently contributing at Callstack after a progression through Netguru, Polcode and game-focused startups. He combines deep React Native expertise with practical product experience, having grown from junior roles into senior positions across diverse domains including games and agency work. Based in Greater Poland, he brings a pragmatic engineering mindset and a track record of delivering production-ready mobile features under tight timelines. Julian’s steady career progression and focus on React Native suggest strong platform fluency and an ability to mentor teams migrating native features to a shared JavaScript codebase.
7 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering - BE, Computer Science, Bachelor of Engineering - BE, Computer Science at Uniwersytet im. Adama Mickiewicza w Poznaniu
English, Spanish, Polish
Github Skills (43)
financial10
parallax10
net10
chat10
react-native-library10
collaboration10
simplify9
redux9
textinput9
csharp9
persistent9
react9
boilerplate9
native-library9
state-management8
Programming languages (5)
Github contributions (5)
JKobrynski/Expensify
Jul 2023 - Dec 2024
Welcome to New Expensify: a complete re-imagination of financial collaboration, centered around chat. Help us build the next generation of Expensify by sharing feedback and contributing to the code.
Contributions:12 PRs, 1048 pushes, 108 branches in 1 year 4 months
JKobrynski/NotesApp
Oct 2019 - Dec 2019
Safe notes app created with React Native for uni
Contributions:22 commits, 8 pushes, 2 branches in 2 months
reactnotesreact-nativeandroidnotes-app
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