Contributed to the open-telemetry/opentelemetry-java and open-telemetry/opentelemetry-go-contrib repositories by delivering targeted improvements in test infrastructure, documentation, and telemetry accuracy. Addressed resource management issues in JUnit5 test extensions, enhancing test reliability and reducing flaky failures in continuous integration. Improved SDK documentation by clarifying token generation steps and fixing broken links, streamlining onboarding for new users. Enhanced gRPC instrumentation in Go by preferring dial target addresses for server attributes, increasing the accuracy of observability data. Employed Go, Java, and Markdown, with a focus on testing, technical writing, and OpenTelemetry best practices to support maintainable, auditable, and collaborative development workflows.