During June 2025, this developer focused on backend development in Go, addressing a critical bug in the MichaelCade/mcp-go repository related to stateless session handling. They improved the logic within the WithStateLess function to ensure the StatelessSessionIdManager was only instantiated when the stateLess flag was true, preventing incorrect session manager usage and reducing potential runtime issues. Their targeted fix enhanced the reliability and maintainability of session management by enforcing single-responsibility changes and providing clear documentation. The work demonstrated a strong understanding of backend architecture and session management, with careful attention to code quality and traceability throughout the process.