Julia Johannesen enhanced CI/CD workflows for Grafana’s engineering teams, focusing on security, reliability, and developer experience. For the grafana/grafana-ci-otel-collector repository, she refactored GitHub Actions pipelines using YAML to enforce tagged action versions, job-level permissions, and safer credential handling, while introducing a mechanism to automatically retrigger stuck workflows and reduce manual intervention. In grafana/shared-workflows, Julia improved the pre-commit process by enabling checks to run automatically when pull requests reach the ready_for_review stage, tightening quality gates and accelerating feedback. Her work demonstrated a strong grasp of CI/CD best practices, with targeted, maintainable changes that improved workflow robustness.