Bartłomiej Błoniarz
Software Developer at Software Mansion
Krakow, Lesser Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolBartłomiej Błoniarz is a software developer based in Kraków with five years of experience building mobile-first solutions and a strong academic background in theoretical computer science. Currently at Software Mansion, he contributes to React Native core tooling as a maintainer of the widely used react-native-reanimated library, notably adding cross-platform reduced-motion accessibility features like a useReducedMotion hook and reduceMotion props. He blends practical mobile engineering (Android/iOS) with an attention to inclusive UX and clear documentation, and has internship experience at Amazon. His work shows a rare mix of formal CS training and hands-on open-source impact that improves developer ergonomics and user accessibility.
5 years of coding experience
High School Diploma, Mathematics and Computer Science, High School Diploma, Mathematics and Computer Science at The August Witkowski 5th High SchoolMagister (Mgr), Theoretical Computer Science, Magister (Mgr), Theoretical Computer Science at Uniwersytet Jagielloński w Krakowie
Github Skills (7)
accessibility10
javascript10
react-native10
animation10
react10
android9
ios9
Programming languages (5)
Github contributions (5)
software-mansion/react-native-reanimated
Jul 2023 - Mar 2025
React Native's Animated library reimplemented
Role in this project:
Mobile Developer (Android/iOS)
Mobile Developer (Android/iOS)Contributions:7 releases, 179 reviews, 120 PRs in 1 year 9 months
Contributions summary:Bartłomiej primarily focused on extending the React Native Reanimated library with new features related to handling reduced motion accessibility settings. Their contributions included the implementation of a `useReducedMotion` hook, a `reduceMotion` prop for animation functions, and integration of the reduced motion settings across Android and iOS platforms. These additions enhance the library's accessibility features by allowing developers to create animations that respect user preferences for reduced motion, improving the overall user experience. The changes also included documentation updates and example implementations.
reactanimationanimatedreact-nativejavascript
DEHNC121/CodeCache
Mar 2022 - Jun 2022
Contributions:14 PRs, 21 pushes, 3 branches in 3 months
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