Sebastian works as a senior scientist at the Fraunhofer Institute for Open Communication Systems FOKUS, where he is a member of the Quality Engineering for Quantum Computing research group. Sebastian is co-initiator and developer of the high-level quantum programming language Eclipse Qrisp and currently heads Fraunhofer FOKUS' activities in the project “FullStaQD - Full Stack Quantum Computing for Germany,” funded by the German Federal Ministry of Research, Technology, and Space.