Worked on the duneanalytics/spellbook repository to enhance security and reliability in the CI/CD pipeline. Developed and integrated a GitHub Actions workflow using YAML to automate CodeQL security analysis, enabling continuous vulnerability and quality scanning on pull requests. This approach improved the project’s security posture and reduced manual review overhead by providing automated feedback. Further strengthened the CI/CD process by pinning GitHub Actions to specific SHA versions, which stabilized builds and increased reproducibility. Demonstrated expertise in DevOps practices, continuous integration, and security analysis, focusing on workflow automation and predictable releases without addressing bug fixes during the two-month contribution period.