Worked on the golang/go repository to enhance reliability and correctness in the Go runtime, focusing on plugin loading and garbage collection. Addressed concurrency issues by preventing initialization of plugins that failed to load, reducing runtime errors and improving stability for plugin-based workflows. Improved garbage collector accuracy by fixing scan size calculations for small pointer arrays, ensuring correct memory management in edge cases. Enhanced test reliability by skipping unstable tests under ASAN, minimizing false failures in continuous integration. Utilized Go, concurrency, and backend development skills, with a strong emphasis on runtime correctness, robust testing practices, and process quality through code review.