Schwarz IT | Germany | 74xxx Heilbronn | Permanent position | Full time | Published since: 13.01.2026 on stepstone.de
Quantum Software Engineer (m/f/d)
The Schwarz IT supports the entire digital infrastructure and all software solutions of the companies of the Schwarz Group. It is therefore responsible for selecting, providing and operating as well as further developing IT infrastructures, IT platforms and business applications. In order to optimally support the departments through IT solutions in their business processes, the Schwarz IT takes up the requirements of the departments in consultations and works together with these professional and efficient IT solutions. In the Black Quantum Innovation Lab (SQIL), we are working to extend this claim to Quantum Computing for the companies of the Black Group and other customers of the Black Digits. We are looking for you to make our ambitions come true together with us. As a Quantum Software Engineer, you are the central converter for our new Quantum Software Stacks (QSS). Your focus is on the development of the core modules of the QSS, including the connection of different quantum hardware modes, the technical adaptation of open source research code to production level, and the implementation of optimized quantum algorithms. In detail, the following tasks await you:
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Your tasks • Your profile • What we offer
QSS core development: development of the core components of the new QSS (e.g. Transpiler, Job-Scheduler) and their functional integration into the existing cloud architecture of the STACKIT Cloud Platform. Algorithm implementation: implementation, optimization and testing of quantum circuits and hybrid workflows using different SDKs (Qiskit, Qrisp, PennyLane). Hardware integration: development and maintenance of hardware-specific integration modules (APIs/drivers) to ensure new QPU dynamics To connect QSS. Code Strength & Adaption: Technical Adaptation, Refactoring and Optimization of Open Source Code Bases from Quantum Research to Transform them into Production Quality.
At least 3 years of professional experience in software development with focus on cloud computing, quantum computing, scientific computing or HPC. Strong theoretical background in quantum computing: Master's or PhD degree in computer science or physics, ideally focusing on quantum physics or quantum information technology. Proven ability to work with foreign code bases and transfer them to stable, tested and documented industrial standards. Programming knowledge: Excellent knowledge in python and experience with at least one common quantum framework. Good knowledge of German and English (written and oral). .
Location
 | Schwarz IT | |
| 74072 Heilbronn | ||
| Germany |
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