Ace Jilam worked on backend and CI/CD improvements across two major open source repositories. For opendatahub-io/kserve, Ace enhanced CI/CD efficiency by enabling cross-workflow caching for Docker Buildx and QEMU, reducing build times and improving determinism in Docker publish pipelines using GitHub Actions, Docker, and YAML. In istio/istio, Ace addressed a type handling bug in proxy view representations, specifying type parameters in Go to ensure correct network view displays and improve reliability. The work demonstrated a focus on targeted, high-impact changes, with depth in backend development, type safety, and workflow optimization, contributing to more robust and maintainable systems.