Over a two-month period, contributed to backend development and API maintenance across MicrosoftDocs/windows-ai-docs and moltbot/moltbot repositories. Delivered a comprehensive branding update by refactoring namespaces, action identifiers, and documentation from Contoso to Zava, ensuring consistent branding and reducing future maintenance overhead. Demonstrated disciplined codebase refactoring and documentation synchronization using C# and API development skills. In moltbot/moltbot, addressed a Windows-specific crash in the Autoreview Copilot Engine by implementing best-effort temporary directory cleanup in Python, improving reliability and preventing review aborts due to lingering handles. The work reflects careful attention to code quality, maintainability, and cross-platform stability in backend systems.