Worked on the kubernetes/kubernetes repository to deliver performance optimizations and reliability improvements for kube-proxy’s nftables integration. Focused on reducing startup latency by reading existing map and set elements during nftables setup, which minimized transaction overhead and improved cluster readiness. Developed a mechanism to skip unnecessary endpoint chain updates at startup by evaluating existing rules and affinity sets, ensuring only essential updates occurred. Added comprehensive unit tests to validate these optimizations and prevent regressions. All work was implemented in Go, leveraging expertise in Kubernetes and network programming to enhance efficiency and scalability for workloads dependent on nftables-based routing.