Shlomi Tubul developed external NodePort-based access for Celeborn master replicas in the apache/celeborn repository, focusing on cloud-native networking integration. He implemented per-master NodePort services, allowing users to enable or disable external exposure, customize port settings, and apply Kubernetes exposure annotations through Helm Charts and YAML configuration. This work addressed the need for flexible and secure access to Celeborn masters in Kubernetes environments, enhancing deployment options without introducing major bugs. Over the course of the month, Shlomi concentrated on delivering this feature with attention to configurability and maintainability, demonstrating depth in Kubernetes service management and Helm-based deployment practices.