Worked on enhancing MongoDB’s client-side encryption capabilities by implementing robust data key rewrap retry logic in the mongodb/libmongocrypt repository, addressing transient network issues during KMS encrypt requests to improve reliability. Expanded the unified test framework in mongodb/specifications by updating the YAML-based test schema and introducing new test cases, enabling automatic encryption testing and broader coverage of encryption workflows. Leveraged skills in backend development, cryptography, and test automation, with a focus on C and YAML, to deliver features that strengthen security and streamline validation. The work emphasized early detection of edge cases and reduced gaps in encryption workflow validation.