Worked on enhancing the resilience of transport logging within the elastic/elasticsearch repository by addressing a NullPointerException that could disrupt transport connections during inbound message logging. Applied advanced Java exception handling to broaden the scope of caught exceptions, ensuring that logging failures are isolated from the main transport path. Developed and integrated targeted unit and integration tests to verify logger behavior under exception scenarios, supporting a test-driven development approach. This work improved backend reliability and reduced the risk of transient outages in production environments. Demonstrated expertise in Java, backend development, and logging frameworks while aligning with high-availability and CI integration requirements.