Florian Limpöck is a Senior Software Engineer with 11 years of experience, based in Landshut, Bavaria, who specializes in back-end systems and MQTT-based messaging platforms. At HiveMQ he has moved from core developer to senior engineer, contributing to the open-source HiveMQ Community Edition by implementing connection and subscription interceptors, QoS memory limits, and robustness fixes across MQTT 3.x and 5.0. His work shows a deep practical focus on client session management and reliable message handling in distributed environments. Trained in computer science at Hochschule Landshut, he combines academic grounding with long-term, hands-on contributions to a widely used messaging broker—evidence of both product-minded engineering and attention to protocol-level detail.
11 years of coding experience
COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES at Hochschule Landshut
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
Role in this project:
Back-end Developer
Contributions:4 releases, 72 reviews, 27 commits in 3 years 6 months
Contributions summary:Florian primarily contributed to the development of the MQTT broker's internal components. Their work included implementing a Connack outbound interceptor and a subscribe inbound interceptor, demonstrating a focus on handling client connections and subscriptions. Additionally, the user worked on a QoS 0 memory limit per client and addressed issues related to will messages during disconnections, indicating involvement in message handling and client session management. The user also fixed an issue related to client id in MQTT 3 and 5.
A plugin for the HiveMQ MQTT broker which denies all subscriptions to "#" and disconnects the client
Contributions:8 commits, 4 pushes, 1 tag in 2 days
brokerdisconnectsmqttsubscriptionsmqtt-broker
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Florian Limpöck - Senior Software Engineer at HiveMQ