Worked on enhancing the Cloudflare adapter in the withastro/astro repository by introducing non-blocking cache writes using waitUntil, allowing cache operations to run in the background without delaying responses. This approach improved cache performance by reducing latency and increasing throughput, while also ensuring proper propagation of waitUntil to cache providers for greater reliability. Collaborated with cross-team contributors to integrate these changes, focusing on robust Cloudflare integration within a full stack development context. The work was implemented primarily in TypeScript and Node, addressing cache reliability and performance challenges through careful engineering of asynchronous operations and background task management in the adapter.