Over a two-month period, contributed to dstackai/dstack and transformerlab repositories with a focus on authentication, backend reliability, and developer experience. Implemented WorkOS-based OAuth login and organization scoping in transformerlab-app, introducing new UI flows and session management using React and TypeScript. In transformerlab-api, replaced legacy authentication with an AuthKit-based system and improved library discovery by refactoring Python module enumeration and updating test configurations. Addressed documentation accuracy in dstackai/dstack by correcting backend integration links, streamlining contributor onboarding. The work emphasized secure authentication, robust backend workflows, and clear documentation, leveraging Python, FastAPI, and modern authentication frameworks to enhance project maintainability.