Worked on the opentelemetry-collector-contrib repository, focusing on backend stability by addressing a configuration loading issue in Go. The contribution involved removing a redundant final unmarshalling step in the kafkareceiver component’s config, which streamlined the startup process and improved code clarity. This targeted refactor preserved manual migrations and default settings, ensuring backward compatibility for deprecated configuration paths and message marking defaults. No new features were introduced, and all existing configuration tests continued to pass, maintaining reliability. The work demonstrated careful risk mitigation and maintainability improvements, leveraging Go and backend development skills to enhance long-term project stability without user-facing changes.