Worked on enhancing CI/CD pipelines for the bazelbuild/continuous-integration and grpc/bazel-central-registry repositories, focusing on security and reliability. Addressed a command injection vulnerability in the bcr-pr-reviewer GitHub Action by replacing execSync with spawnSync, ensuring safer handling of diff command arguments and strengthening CI security. Upgraded the BCR PR Reviewer Action to its latest stable release across workflows, which improved reliability and enabled recent fixes and features. Demonstrated expertise in Node.js process management, GitHub Actions, and secure coding practices, contributing to more robust PR validation and faster feedback cycles. Utilized JavaScript and YAML to implement these improvements.