During February 2026, contributed to the apache/hadoop repository by developing the Flexible TestDFSIO InputFormat for Testing feature. This enhancement allowed conditional selection of InputFormat within the TestDFSIO framework, enabling validation of IO paths across multiple formats and improving the breadth of test coverage. The approach decoupled test data generation from InputFormat selection, which streamlined regression testing and increased maintainability. Work focused on Java and MapReduce, leveraging Hadoop’s testing infrastructure to ensure safer releases and faster validation of format variations. Collaboration on MAPREDUCE-7525 included code review and integration, demonstrating proficiency in test harness design and repository-driven development workflows.