Worked on core developer tooling across multiple repositories, focusing on reliability and documentation. In ComfyUI, addressed math expression evaluation by adding robust error handling in Python, converting potential OverflowErrors into manageable ValueErrors for large integers. Improved Haystack’s DocumentJoiner by normalizing missing document scores to zero, preventing crashes during distribution-based rank fusion. Enhanced output handling in openai-agents-python, ensuring empty lists and tuples are preserved as stringified results rather than dropped. Updated encodePath documentation in facebook/docusaurus to better guide developers. Demonstrated strong backend development and error handling skills in both Python and TypeScript, with attention to clear documentation and unit testing.