Krzysztof Krasiński-sroka
Senior Software Engineer at Klar
Wrocław, Lower Silesian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolKrzysztof Krasiński-sroka is a Senior Software Engineer based in Wrocław with nine years of professional experience building mobile-first user experiences, particularly in Dart and Flutter. He has held senior and leadership roles at companies like Superlist, Callstack (where he led Flutter efforts), and most recently Klar, blending hands-on development with product-minded engineering. An active open-source contributor, he improved UI components in the widely used react-native-paper library by enhancing TextInput behavior, documentation, and examples—demonstrating attention to developer experience as well as end-user UI polish. His background includes founding a startup (Widgeters) and prior large-scale front-end work at Google, giving him both entrepreneurial grit and experience in global consumer products. Known for public speaking and practical cross-platform expertise, he thrives on translating design intent into robust, accessible mobile interfaces.
9 years of coding experience
13 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at University of Wroclaw
Polish, English, German
Stackoverflow
56reputation
2kreached
2answers
0questions
Github Skills (17)
javascript10
react-native10
material-design10
uid10
front-end-development10
mobile-development9
ios9
android-development9
ui-design9
android9
mobile9
react9
dart6
bloc6
flutter6
Programming languages (8)
Github contributions (5)
callstack/react-native-paper
Jan 2018 - May 2018
Material Design for React Native (Android & iOS)
Role in this project:
Mobile Developer (Android/iOS)
Mobile Developer (Android/iOS)Contributions:5 commits, 8 PRs, 52 pushes in 3 months
Contributions summary:Krzysztof contributed significantly to the UI components of the React Native Paper library. Their work included fixing a remote image button example, adding screenshots to the documentation of several components, including FAB, Paper, and TextInput. They also implemented helper and error text support within the TextInput component and fixed an issue with disabling Touchables if onPress was not set.
androidiosmaterial-designreact-nativeui-kit
kpsroka/splendid
Jan 2017 - Dec 2017
Contributions:2 PRs, 161 pushes, 9 branches in 11 months
reactjsjavascriptreactgame
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