Worked on enhancing code quality and maintainability across three repositories, focusing on feature delivery and dependency improvements. Integrated the Ruff Python Formatter into both the facebook/dotslash and facebook/pyrefly repositories, enabling standardized formatting of Python code generated by XStream pipeline outputs. Improved cross-language compatibility by updating the dunce library in facebook/relay’s Rust dependencies, ensuring smoother integration with Python formatting tools. Leveraged skills in Python development, Rust, and library integration to streamline code formatting and dependency management. The work emphasized reliable pipeline generation and maintainable codebases, with all changes delivered as new features and no bug fixes required during the period.