Worked on stabilizing service container metadata labeling in the gitlabhq/gitlab-runner repository, addressing issues with missing labels to improve traceability and correctness across CI jobs. This involved implementing a method in Go to reliably prepare and assign labels to service containers, as well as developing comprehensive tests to verify label application and enhance container observability. Additionally, contributed to the zillow/auto-mobile repository by adding a deprecation notice and migration guidance, clarifying maintenance status and directing users to a community-maintained fork. Demonstrated skills in Go, containerization, documentation, and project management, with a focus on maintainability and workflow clarity.