eleQtron GmbH

Senior Software Engineer - Python control software (f/m/d)

Siegen, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

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.

We are looking for a Software Engineer (m/f/d)- Backend.

Responsibilities:
As a Senior Software Engineer, you will play a key role in designing, developing, and maintaining the control software that powers our quantum computing systems. In this position, you will work closely with our international team of physicists and engineers to build robust, scalable, portable and maintainable control software. 
Depending on your level of experience, you will take on one or more of the following tasks:

Design, develop, test, and deploy services that enable professional use of quantum computing 

Build APIs and data interfaces to integrate various hardware components of our quantum computing stack 

Ensure scalability and maintainability of backend systems, adhering to high software engineering standards  

Optimise data processing pipelines for performance and reliability. 

Implement logging, monitoring, and alerting to ensure system robustness  

Identify and mitigate potential security vulnerabilities in backend systems  

Contribute to the continuous improvement of our CI/CD pipelines and automated deployment processes  

Collaborate with cross-functional teams to align software architecture with hardware requirements  

Document software designs and maintain high code quality through code reviews and best practices 

Required Skills:
Bachelor’s degree in Computer Science or a related field  

At least 5 years of professional experience in developing portable, scalable  control systems 

Strong programming skills in Python writing production ready code 

Experience with databases (SQL or NoSQL) and data modelling  

Familiarity with containerization and orchestration (Docker, Kubernetes)  

Hands-on experience with CI/CD tools (e.g., GitLab CI, Jenkins)  

Interest in translating physical principles into practical solutions 

Good grasp of software architecture and design patterns for scalable systems  

Fluent communication and writing skills in English 

We value:
Master’s degree in computer science or electrical engineering

Background in robotics/aviation/automotive/Quantum

Exposure to high-performance computing, quantum systems, or other advanced hardware technologies

Experience in programmatic device control (SCPI, MODBUS, etc., over serial, USB, TCP)

Experience in quantum controller electronics

Experience with oscilloscopes or emulators for software debugging

What you can expect from eleQtron:
Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements. 

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 culture. 

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. 

Bike Leasing: Stay active and environmentally friendly. Our bike leasing program makes it easy to get around while keeping fit. 

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.

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Mid
Technology & IT MySQL Python SQL Writing Mid level full-time

Likely questions

  1. Tell us about work you have done that is close to the Senior Software Engineer - Python control software (f/m/d) role.
  2. How would you approach your first 30 days at eleQtron GmbH?
  3. Which of MySQL, Python and SQL have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with MySQL, Python and SQL.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Software Engineer - Python control software (f/m/d) role because I can bring practical experience in MySQL, Python and SQL, learn the team quickly, and contribute to the outcomes eleQtron GmbH needs from this hire.

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