Radek Doulik focused on stabilizing SkiaSharp WebAssembly build tests within the files-community/Satori repository, addressing a persistent Debug/AOT build failure that previously disrupted CI reliability. By updating package versions and refining build configurations, Radek restored and re-enabled WebAssembly Build Tests, ensuring parity with native test coverage. His work involved targeted adjustments to CI/CD pipelines and careful management of build settings, using C# and leveraging expertise in build configuration and Wasm test environments. The changes improved the robustness of automated testing for SkiaSharp in WebAssembly, reflecting a deep understanding of cross-platform build challenges and continuous integration best practices.