Worked on the getyourguide/istio-config-validator repository to enhance CI/CD reliability by addressing race conditions in GitHub Actions workflows. Introduced concurrency controls across docker.yml, go.yml, and renovate-auto-approve.yml, ensuring that only one workflow runs per branch at a time. This approach reduced flaky builds and unnecessary consumption of CI resources, resulting in more stable and efficient continuous integration processes. The solution was implemented using YAML for workflow configuration and leveraged expertise in CI/CD and GitHub Actions. The work focused on improving the release pipeline’s stability and feedback speed, demonstrating attention to cross-file coordination and robust automation practices.