Julia Johannesen enhanced CI/CD workflows for Grafana’s engineering teams, focusing on security and reliability within the grafana/grafana-ci-otel-collector repository. She refactored GitHub Actions pipelines using YAML, introducing tagged action versions, job-level permissions, and mechanisms to retrigger stuck workflows, which reduced manual intervention and improved release safety. In the grafana/shared-workflows repository, Julia streamlined the pre-commit process by ensuring checks automatically run when pull requests reach the ready_for_review stage, tightening code quality gates and accelerating developer feedback. Her work demonstrated a strong grasp of CI/CD best practices and GitHub Actions, delivering targeted improvements with minimal code changes.