Worked on stabilizing Change Data Capture (CDC) data flow in the apache/paimon repository by addressing a critical bug in map value casting. Focused on improving data processing and type conversion within Java-based CDC pipelines, the developer implemented a fix that ensures textual map values are cast correctly and unnecessary quoting is removed. This technical approach reduced data misrepresentation and minimized downstream errors in analytics and replication workflows. The work enhanced the reliability of CDC outputs and improved maintainability by increasing test coverage for value casting logic, demonstrating a strong grasp of CDC, data processing, and type conversion in Java environments.