During November 2025, Gildur focused on enhancing the reliability of PostgreSQL replication within the debezium/debezium repository. He addressed a persistent issue by implementing a validation check for the PostgresReplicationConnection, ensuring that the system could detect invalid connections and automatically attempt reconnection. This backend solution, developed in Java and leveraging database management expertise, reduced production downtime and minimized the need for manual intervention in data capture pipelines. By strengthening the resilience of Debezium’s PostgreSQL connector, Gildur contributed depth in backend engineering, prioritizing robust monitoring and operational continuity. His work reflected a targeted, high-impact approach to improving system reliability.