Uri Ziv contributed to the IBM/ibm-block-csi-driver and ibm-block-csi-operator repositories, focusing on enhancing Kubernetes storage integration and access control. He refactored node ID handling and initiator management in the CSI driver, introducing methods to extract and manage initiators from Kubernetes node annotations using Go and Python. Uri also improved RBAC by expanding node cluster role permissions, strengthening resource governance. When a refactor risked compatibility, he reverted changes to maintain stability for production workloads. His work demonstrated depth in backend development, balancing new feature delivery with careful attention to backward compatibility and operational reliability in cloud storage environments.