Galvin Gao developed targeted features across two repositories, focusing on both user-facing communication and backend data processing. For MaaAssistantArknights/MaaRelease, he enhanced event announcements by clarifying details, improving accessibility with alt text, and localizing content using Markdown and YAML, while also standardizing documentation for maintainability. In duckdb/community-extensions, he built a C++ extension enabling SQL queries to decode JWT payloads, allowing extraction of authentication claims directly within database analysis workflows. His work emphasized clear documentation, maintainable code, and practical integration of technologies like C++, SQL, and JSON, demonstrating depth in both frontend communication and backend extension development without major bug fixes.