Hi, I'm Szymon 👋

I'm an Expert Software Engineer at Callstack, focused on developer tooling and open-source software for the React Native ecosystem. I’m the creator and maintainer of Rozenite, Voltra, Harness, and React Native Grab. Through my work, I aim to build tools that improve developer experience, reduce friction, and help teams build better React Native apps.

I also write about the ideas and engineering behind this work on chmal.it - a place where I share details of my journey building tools for React Native. Recent posts cover the thinking and implementation behind projects like Rozenite and Voltra.

Open source is how I explore ideas, share what I learn, and contribute back to the ecosystem. If my work has helped you debug faster, improve your workflow, or ship with more confidence, sponsoring is a meaningful way to support it.

Your sponsorship helps me spend more time maintaining and improving existing tools, building new projects in the open, and sharing more of that work through code and writing.

If you'd like to support that mission, please consider becoming a GitHub Sponsor.

Thank you for your support. Every sponsorship means a lot to me and directly helps me spend more time building, maintaining, and sharing open-source tools with the community ❤️