Worked on the redis/lettuce repository to address a critical issue in cluster topology event handling, focusing on backend development with Java and unit testing. Delivered a targeted bug fix that ensured the ClusterTopologyChangedEvent was published only after the new topology had been fully applied, resolving a timing race that previously risked clients receiving stale partition data. Collaborated cross-functionally to implement this change, maintaining code quality and adhering to project standards throughout the process. The update improved reliability for topology-aware clients by guaranteeing accurate event information, reflecting a careful and standards-driven approach to stabilizing event flow in distributed systems.