Developed and delivered enhanced user management capabilities for the stackit-cloud/stackit-cli repository by implementing support for the MongoDB Flex readWriteAnyDatabase role. This feature enabled administrators to create and update MongoDB users with permissions spanning any database within an instance, streamlining multi-database deployments and strengthening role-based access control. The work involved integrating RBAC logic into the CLI tool using Go, with a focus on cloud services and database management best practices. All changes were tracked through traceable commits and coordinated via cross-repository collaboration. No major bugs were addressed during this period, with efforts concentrated on feature delivery and operational efficiency.