Worked on the palantir/tracing-java repository to address an issue with parameterized test tracing, focusing on improving the accuracy of trace data during test execution. Implemented a fix that ensures tracing spans are isolated for each parameterized test run, preventing the accumulation of spans across multiple executions and eliminating cross-test data bleed. This change enhanced the reliability of test results and the quality of tracing analytics, supporting better debugging and performance monitoring. Utilized Java and YAML within a CI/CD workflow, applying strong debugging and testing skills to deliver a targeted solution that improved the maintainability of the tracing infrastructure.