Schwarz Digits | Germany | 74xxx Heilbronn | Permanent position | Full time | Published since: 11.03.2026 on stepstone.de
Quantum Software Engineer (m/f/d)
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). .
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Your tasks • Your profile • What we offer
Black Digits creates the technological foundation for digital freedom of choice in Europe. As an IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the Lidl and Kaufland trade divisions as well as the Black Production and PreZero. At the same time, we act as an independent provider on the external market to support companies across Europe in their digital transformation. We bundle our core services in the areas of cloud, cyber security, data & AI, communication and workspace. You also contribute to the digital freedom of choice in Europe.
With us you work at the interface between agility and security: You benefit from the fast decision-making, enjoy real design spaces in your projects and build on the stable foundation of the Schwarz Group.
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. .
Location
 | Schwarz Digits | |
| 74072 Heilbronn | ||
| Germany |
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