Worked on the rancher/k3k repository to enable host-backed secret and configmap syncing within a virtual Kubernetes cluster. Leveraged Go and controller-runtime to implement basic volume syncing, allowing secrets and configmaps from the host cluster to be referenced reliably by pods in the virtual environment. Refactored the virtual kubelet to utilize controller-runtime caching, which improved consistency and reduced manual secret management across clusters. This foundational work supports projected volumes and lays the groundwork for scalable, multi-cluster workloads by reducing cross-cluster drift. The approach focused on cloud native principles and system design to enhance deployment reliability and developer productivity in Kubernetes environments.