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Urgent! Quantum Software Architect (f/m/d) Job Opening In Siegen – Now Hiring eleQtron GmbH

Quantum Software Architect (f/m/d)



Job description

eleQtron develops and operates full-stack quantum computers based on trapped-ion technology.

Quantum computing is a new computing paradigm rapidly approaching commercial viability.

Our unique approach combines laser-cooled trapped ions with microwave control and tailored magnetic fields.

Our next-generation computing machines under development will be able to find solutions to problems that are out of reach today, thus enabling new innovative products and services for a brighter future.


Your Responsibilities:

As a Quantum Software Architect, you will take the lead on compiler architecture, software optimisation, and HW/SW co-design.

You will define the structure of our quantum software stack across both front-end and back-end compilers, ensure it scales with our architecture, and contribute to the broader technology roadmap.

This is a key position for someone who has done this before and wants to help shape what quantum computing looks like in practice.


  • Drive hardware-software co-design approach to optimize quantum computer architecture for use cases and vice versa 

  • Performance analysis and optimization of quantum algorithms across architectures 

  • Define and choose compute benchmarks to steer development of our quantum computer architecture 

  • Support in maintaining of technology roadmap and drive related requirements engineering 

  • Design and specify compiler front-end (quantum language), back-end (machine-specific) and optimization strategies together with our quantum software team 

  • Ensure clean, testable and scalable implementations together with our quantum software team 



Required Skills:

  • Master’s degree in computer science, physics or engineering 

  • 3+ years in industry or post-graduated R&D experience on quantum computing related topics 

  • 3+ years of experience in Python, Rust, C++ or similar programming languages 

  • Demonstrable working knowledge of quantum programming with frameworks such as Qiskit and Cirq 

  • Deep understanding of quantum computing paradigms and architectures, including various hardware realizations 

  • Profound expertise in quantum algorithms and compilers 

  • Strong grasp of quantum circuit design 

  • Knowledge of quantum error correction methods 

  • Excellent English skills, both written and spoken


We value:

  • Experience designing or implementing quantum compilers in a product-oriented environment 

  • Experience driving cross-functional co-design efforts between hardware and software teams

  • Initiating roadmap-impacting decisions with real implementation consequences 

What you can expect from eleQtron:

  • Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements.

  • Employee participation: Our team can share in the company’s success through an attractive Virtual Stock Option Plan (VSOP).

  • Flexible working hours: We offer personal freedom through a variety of flexible work schedules.

  • Team spirit: In our international and diverse team, and with our regular team events, having fun at work is simply part of the game.

  • Further development: We want to grow together and so we offer our team members’ needs-based, individualized further training as well as plenty of room for personal development.

  • Wellness Package: We offer health-promoting benefits such as fitness programs like UrbanSportsClub to support your well-being.

  • Moving Benefits: A warm welcome! We are happy to support employees who move for us with a bonus.

  • At the forefront: Work at the forefront of technology, where academic research meets commercial applications.

  • Modern workplace: We have a high-quality infrastructure with laboratory space, offices and meeting rooms.


Required Skill Profession

Computer Occupations



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