Worked on stabilizing error handling for the http4k/http4k repository’s HTTP client layer, focusing on improving reliability and client experience. Addressed connection issues by implementing a uniform mapping of network failures to HTTP 503 SERVICE_UNAVAILABLE responses across all client implementations. Enhanced the HttpHandlers layer to ensure consistent error signaling and predictable client-side behavior, reducing the likelihood of edge-case failures. Utilized Java and Kotlin to refine error handling logic and network programming patterns, concentrating changes within the core HTTP client infrastructure. The work prioritized robust error reporting and contributed to a more stable and maintainable codebase, with efforts centered on bug resolution.