Worked on enhancing reliability and compatibility across cloud infrastructure projects, focusing on the google/gvisor and kubernetes/cloud-provider-aws repositories. Delivered a feature in gVisor by extending the netfilter implementation with a raw table and a no-op conntrack target, enabling DNS capture for Istio and supporting advanced iptables rules. Addressed stability in the AWS cloud provider by adding a nil-State check in InstanceExistsByProviderID to prevent panics with terminated EC2 instances, and maintained build compatibility with the latest Kubernetes master through a go mod replace. Utilized Go, C++, and Kubernetes, emphasizing robust test coverage and cross-repository collaboration throughout the work.