Worked on strengthening CI/CD security and reliability for the newspack-migration-tools and simplenote-android repositories by implementing deterministic builds and reducing supply-chain risk. Leveraged YAML and GitHub Actions to pin third-party actions to specific SHAs, ensuring traceable and secure workflows. Enabled Dependabot-driven dependency updates with a controlled cadence to balance security and workflow efficiency. Addressed a transient pinning reliability issue in simplenote-android by introducing a custom GitHub API–backed resolver and aligning actions with stable Gradle versions. These efforts improved build stability, deployment speed, and governance traceability, reflecting a focus on robust DevOps practices and continuous integration enhancements.