Nhuan worked on the apache/fluss repository, where he enhanced the Flink streaming integration testing framework by adding support for the latest scan startup mode in the changelog virtual table. Using Java and Apache Flink, he implemented integration tests that increase coverage for stream processing scenarios, enabling earlier detection of edge cases during continuous integration. His approach focused on expanding the framework’s capabilities with minimal disruption to existing workflows, aligning with ongoing pull requests to improve test reliability. This targeted feature deepened the project’s test suite, supporting safer and more confident streaming deployments without introducing unnecessary complexity or overhead to the codebase.