Szymon Rybczak

Co-founder & CEO of TesterArmy (YC P26). Right now I'm fully focused on building the future of agentic testing for web & mobile.

Youngest ever contributor to React Native (at 16). I maintained open-source libraries with 2M+ weekly downloads, including React Native Community CLI and react-native-ai.

5+ years of commercial experience. Previously I spent 3 years at Callstack.