Worked on the biomejs/biome and ag2ai/ag2 repositories, delivering features and stability improvements across JavaScript, Python, and Rust projects. Developed Playwright ESLint rules to enforce testing best practices and prevent common pitfalls, enhancing test quality and consistency for biomejs/biome. Authored domain documentation for Playwright in biomejs/website, improving onboarding and developer guidance. In ag2ai/ag2, focused on stabilizing Gemini installation by refining dependency management and Python packaging, ensuring reliable, repeatable builds and smoother onboarding. Emphasized CI/CD robustness, build configuration, and linting to maintain code quality and prevent regressions, contributing to more maintainable and productive development environments across teams.