Mateusz Bętka
React Developer at TheWidlarzGroup
Libiąż, Małopolskie, Poland
Summary
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RockstarMateusz Bętka is a React and React Native developer with eight years of experience building front-end and mobile features for international projects, currently working at TheWidlarzGroup. He contributes to open-source—most notably improving iOS behavior in the widely used react-native-maps library by fixing polyline rendering, refining AnimatedRegion types, and enhancing custom marker support—which underscores his practical mobile expertise. Comfortable in remote teams, he combines hands-on implementation with a curiosity for new architectures in React Native and modern front-end patterns. Outside work he stays sharp through exercise, gaming, reading, and continuous self-education in emerging programming technologies.
8 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
objective-c10
ios10
react-native10
google-map9
google-maps9
maps9
swift8
react7
Programming languages (3)
Github contributions (5)
react-native-maps/react-native-maps
Oct 2023 - Jun 2025
React Native Mapview component for iOS + Android
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:10 reviews, 11 PRs, 71 comments in 1 year 7 months
Contributions summary:Mateusz primarily contributed to the iOS implementation of the React Native Maps library. Their work included bug fixes related to polyline rendering with the Google Maps provider, adjustments to the AnimatedRegion types, and the addition of functionality to support both MKMarkerAnnotationView and MKPinAnnotationView for custom marker rendering. They also made minor changes to the example app, and performed one android fix related to tile updates.
androidiosmapviewreact-nativegoogle-maps
mateki0/Football-app
Jun 2020 - Jun 2022
Contributions:26 PRs, 26 pushes, 24 branches in 1 year 11 months
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