Worked on enhancing OpenTelemetry instrumentation for HTTP requests in the gofiber/contrib repository, focusing on improving observability and error tracking within backend systems. Leveraged Go and OpenTelemetry to fully adopt stable HTTP semantic conventions, refine metric units, and introduce error type attributes, enabling more accurate monitoring and precise error attribution. The technical approach centered on aligning metrics with industry standards and strengthening error handling to support better SLA reporting. These improvements allow for faster diagnosis of server issues and provide deeper business insights into HTTP request performance, reflecting a thoughtful and standards-driven approach to backend development and instrumentation in Go environments.