Michał Stach
Software Engineer at Google
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolMichał Stach is a software engineer based in Zurich with six years of experience building mobile and platform software, now working at Google. He has a strong track record in cross-platform mobile engineering, contributing to high-profile open-source projects like react-native-reanimated and Expo—work that included sensor integrations for web, Kotlin migrations, and targeted bug fixes and tests. His career includes multiple internships and full-time roles at top-tier tech companies (Google, Meta, Software Mansion), reflecting rapid progression and practical experience across Android, web, and reliability engineering. Michał combines hands-on implementation skills (Java/Kotlin, React Native) with attention to performance and platform consistency, evidenced by sensor value fixes and useFrameCallback improvements. Colleagues would describe him as a pragmatic developer who surfaces subtle platform inconsistencies and turns them into robust, test-covered solutions. He holds undergraduate and master’s studies in computer science from AGH and Warsaw University of Technology, respectively, anchoring his applied engineering with formal academic training.
6 years of coding experience
3 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Warsaw University of TechnologyAGH University
Github Skills (19)
kotlin10
javascript10
react-native10
animation10
expo10
android-sdk10
java10
android-developer10
javas10
android10
system-integration10
sensor-fusion10
android-developers10
unit-testing9
gesture9
Programming languages (5)
Github contributions (5)
software-mansion/react-native-reanimated
Jan 2023 - Jan 2023
React Native's Animated library reimplemented
Role in this project:
Mobile Developer
Mobile DeveloperContributions:4 reviews, 3 commits, 41 PRs in 8 days
Contributions summary:Michał primarily contributed to the `react-native-reanimated` library, focusing on enhancing sensor functionalities, especially on web platforms. They implemented features such as `useAnimatedSensor`, added sensor platform detection for Android and iOS, and corrected inconsistencies in sensor value outputs, specifically for Android web browsers. Their contributions also include bug fixes and performance improvements for the useFrameCallback hook and refactoring of the animatedRef component.
reactanimationanimatedreact-nativejavascript
expo/expo
Jul 2021 - Nov 2021
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:22 reviews, 18 commits, 31 PRs in 4 months
Contributions summary:Michał primarily focused on migrating Expo modules written in Java to Kotlin, specifically within the `expo-battery`, `expo-clipboard`, `expo-print`, `expo-local-authentication`, and `expo-facedetector` modules. Their work involved generating Kotlin code from Java, making code cleaner, and ensuring functionality through testing. They also addressed file URI issues in `expo-document-picker` and added mime type information. Furthermore, they added unit tests for `expo-battery` and `expo-crypto` modules.
ios-androidiosmobileweexframework7
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