During March 2026, the developer enhanced the ytsaurus/ytsaurus-k8s-operator repository by delivering a UI customization feature for Kubernetes clusters. They extended the UISpec Custom Resource Definition to support custom icon URLs, enabling users to visually differentiate clusters and apply flexible branding in multi-cluster environments. Using Go for operator development and API design, the developer ensured that icon data was propagated into a generated JSON configuration file consumed by the frontend. This end-to-end integration improved user experience by streamlining onboarding and supporting custom branding. The work demonstrated depth in Kubernetes operator patterns, CRD extension, and frontend-backend configuration management.