Worked on optimizing short Git reference resolution in the argoproj/argo-cd repository, focusing on improving performance for large monorepos. Addressed high CPU and memory usage during revision comparison by refining backend logic in the repo-server component. Leveraged Go and Git to streamline the resolution process, resulting in faster deployments and more efficient resource utilization. The solution targeted scalability challenges, ensuring Argo CD could handle large repositories with improved responsiveness. All changes underwent code review to maintain quality and reliability. This work demonstrated a strong grasp of backend development and performance optimization, directly enhancing Argo CD’s deployment workflows for complex environments.