During their work on the modularml/mojo repository, Gempesaw modernized the CI/CD workflow by migrating test execution to remote H100 BuildBuddy infrastructure, fully integrating tests into presubmit and eliminating legacy filters and cron jobs. This transition replaced persistent runners and containers, reducing maintenance overhead and improving feedback speed. Gempesaw also optimized GPU build resources by reconfiguring executor pools and updating container images, which improved resource utilization and reduced build queue times. Their contributions leveraged expertise in Bazel, CI/CD, and infrastructure management, resulting in a more efficient and maintainable build system that addressed both workflow consistency and resource optimization.