React Native Developer

Robert Pasiński

Robert Pasiński

JavaScript developer by day, polyglot programmer by night, with a full-stack background in web app development. Passionate about learning new programming languages, paradigms, and technologies, always diving deep to understand them under the hood. A big fan of clean code and functional programming, he enjoys photography, gaming, and contributing to open-source projects in his free time.

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What I’ve been shipping

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Article
2/7/2025

Bringing WebAssembly to React Native With Polygen

Discover Polygen, a toolkit that brings WebAssembly to React Native, compiling WASM to C for near-native performance with no runtime overhead.
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Webinar
Talk
4/16/2025

Bring Your Favorite Language to React Native

Learn how to integrate native libraries in React Native, without TurboModules. Robert shares a practical approach using WebAssembly and introduces PolyGen.
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Live Stream
2/3/2025

React Native WebAssembly Release Walkthrough

Join us for a deep dive into Polygen: Callstack Incubator's breakthrough in React Native development!
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Talk
3/26/2025

Running WASM in React Native Apps

Find out about executing WASM in React Native, the challenges of JIT restrictions on iOS, and how Callstack's wasm2c solution enables performant native modules.
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