Worked on enhancing test reliability for the langfuse/langfuse repository by addressing cross-test interference in StorageService dependent tests. Focused on backend development and testing using TypeScript, the approach involved prefixing test files with random values and ensuring thorough cleanup after each run. This solution improved test isolation, resulting in more stable continuous integration outcomes and reducing flaky test results. The work supported ongoing quality initiatives and contributed to safer release cycles for core storage functionality. Collaboration was emphasized through co-authorship, and the disciplined management of the test lifecycle demonstrated a commitment to robust engineering practices and maintainable backend infrastructure.