Stefan Frehse is a Director of Engineering at HiveMQ with 11 years of experience bridging deep research in formal verification and hands-on leadership in product engineering. He progressed through technical and management roles—PhD-level researcher to CTO and engineering leader—helping startups and industrial teams deliver reliable, safety-conscious systems. His background in formal methods, automated debugging and fault-tolerant system verification informs a rigorous approach to architecture and quality at scale. Stefan has repeatedly moved between research and industry, translating academic techniques into production-ready solutions for embedded and cloud-connected systems. Based in Bremen, Germany, he combines strategic oversight with an engineer’s attention to correctness and performance, often visible in teams he’s grown through technical mentorship. Notably, his career path reflects a rare blend of doctoral research and serial engineering leadership across both startups and established engineering organizations.
11 years of coding experience
13 years of employment as a software developer
Dr.-Ing. Computer Science, Dr.-Ing. Computer Science at University of Bremen
Contributions:1 PR, 16 pushes, 8 branches in 13 days
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