Shivam worked on backend enhancements across the langwatch/langwatch and modelcontextprotocol/python-sdk repositories, focusing on API development and testing using TypeScript and Python. He introduced a configurable GPT model parameter in langwatch, replacing hardcoded defaults to improve API contract clarity and maintainability. In the python-sdk, Shivam enhanced HTTP content negotiation by updating Accept header handling to support wildcard media types per RFC 7231, broadening client compatibility. He reinforced these changes with targeted tests, ensuring reliable integration and easier onboarding for external clients. Shivam’s contributions demonstrated thoughtful refactoring and a focus on maintainable, flexible backend systems within a short timeframe.