Worked on the epam/ai-dial-admin-frontend repository to improve the reliability of evaluation summary exports by addressing a delimiter issue in CSV files. Focused on ensuring that metric names containing colons were correctly handled by switching the export delimiter from a single colon to a double colon, updating both validation logic and test coverage to account for edge cases. Used React and TypeScript to align frontend behavior with backend requirements, emphasizing data integrity and stability. Applied test-driven development practices with Vitest, collaborating across teams to reduce the risk of broken exports and enhance the accuracy of dashboards and reporting workflows.