During January 2026, Yuan Jiewei focused on backend reliability in the pinterest/ray repository by addressing a metrics reporting inconsistency for custom-named tasks. Yuan identified and resolved a bug where task names set via .options(name=...) were not consistently reflected in metrics across RUNNING and FINISHED states. The solution involved modifying core_worker.cc to standardize task name retrieval using TaskSpecification::GetName(), ensuring accurate and reliable metrics. Yuan reinforced this fix with targeted regression tests in Python to prevent future discrepancies. This work demonstrated depth in C++ and Python, emphasizing careful debugging, code maintainability, and robust test coverage for backend observability improvements.