Greg McCulloch focused on platform modernization and build reliability across RedHatInsights repositories, notably chrome-service-backend and quickstarts. He upgraded the Go toolchain and dependencies, transitioning both services to UBI 9 base images and Go 1.24, which improved security and maintainability. In chrome-service-backend, Greg streamlined dependency management by removing redundant go.mod directives, while in quickstarts, he resolved OpenAPI generation errors and fixed ambiguous SQL column names to enhance route stability. His work leveraged Go, Dockerfile, and YAML, demonstrating depth in build engineering, CI/CD, and database interaction, and resulted in more robust, maintainable, and release-ready backend services.