Worked on the kubernetes/autoscaler repository, focusing on backend development and cloud native stability improvements using Go and Kubernetes. Addressed a critical bug in the Vertical Pod Autoscaler Admission Controller by fixing a panic that occurred when only resource requests were controlled. The solution involved initializing nil Requests and Limits maps to empty maps, which allowed the system to backfill missing resource values without crashing. This change enhanced the reliability of partial resource control scenarios, reducing crash risk for clusters with selective resource management. The work emphasized codebase maintainability and stability, ensuring smoother operation for users relying on VPA functionality.