Piet van der Meulen developed enhanced user management capabilities for the stackit-cloud/stackit-cli repository by implementing support for the MongoDB Flex readWriteAnyDatabase role. This feature allows administrators to create and update MongoDB users with permissions spanning any database within an instance, streamlining operations for multi-database environments and strengthening role-based access control. Piet’s work involved integrating RBAC logic into the CLI tool using Go, with a focus on cloud service interoperability and database management. The solution was delivered as a traceable, well-documented commit, reflecting a targeted engineering effort that addressed administrative flexibility without introducing major bug fixes during the period.