During August 2025, contributed to the checkstyle/checkstyle repository by enhancing static analysis capabilities, focusing on improving code review feedback and maintainability. Developed a feature that introduced a JNullness whitelist to the static analysis spellchecker, reducing false positives and enabling more accurate diagnostics. Leveraged static analysis tools and integrated Error Prone support checks to strengthen compile-time feedback for developers. These improvements were incorporated into the continuous integration workflow, aligning with long-term quality objectives. The work emphasized static analysis as a core skill, with a focus on Java codebases and CI/CD pipeline integration, supporting future quality gate readiness and maintainability.