Florian Limpoeck enhanced credential security and session management across the hivemq-community-edition and hivemq-edge repositories. He implemented configuration-driven post-authentication password clearing, reducing credential leakage risks and aligning with compliance needs. In hivemq-edge, he introduced conditional extension SDK imports to minimize attack surfaces and improve deployment reliability. Florian also refactored MQTT Will Publish handling by storing Will Publish data per client connection, decoupling it from CONNECT messages to prevent resource leaks and improve plugin lifecycle management. His work leveraged Java, Kotlin, and Gradle, demonstrating depth in backend development, authentication, and network security while addressing both feature delivery and bug resolution.