Worked on configuration hygiene improvements across the lablup/backend.ai and lablup/backend.ai-webui repositories, focusing on streamlining deployment processes and reducing maintenance overhead. Delivered targeted code cleanup by removing deprecated and obsolete configuration options from both backend server and web UI templates, which helped minimize configuration noise and potential operator confusion. Leveraged skills in backend and frontend development, configuration management, and code cleanup, utilizing JavaScript, Python, and TOML to standardize defaults and templates across repositories. These changes improved deployment reliability, accelerated onboarding, and supported more consistent operations, demonstrating a methodical approach to cross-repo collaboration and long-term maintainability.