Michał Pierzchała
Head of Technology
Head of Technology overseeing Callstack's Open Source and R&D efforts. Making sure we keep on innovating in app development space. Passionate about building OSS tools for JS devs. Created React Native Testing Library. And he likes rockets!
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![Michał Pierzchała](https://cdn.prod.website-files.com/64d4ce10600bd67e51c42838/6527decd0e9b7be0a8a46c40_pierzchalka.webp)
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