We are looking for a

Senior Full Stack Developer (m/f/d)



  • Developing new features for PreonDock, our self-hosted web platform that manages and analyzes PreonLab simulations
  • Reviewing code and providing constructive feedback about the team’s contributions to the codebase(s)
  • Ensuring the reliability of the application everywhere that it’s deployed
  • Maintaining our web app through all stages of the product cycle
  • Communicating with other teams to improve company effectiveness
  • Investigating and understanding user needs to optimize the user experience
  • Mentoring junior developers in less technical areas of software development: design principles and patterns, communication, architectures, etc.


  • Completed studies in a computing-adjacent field and/or sufficient experience in a related industry
  • At least 5 years of experience working with web technologies, preferably in an agile(-ish) workflow
  • An understanding that documentation, testing, and a focus on usability are as important as the code itself 
  • Professional experience with our primary web stack: Python, Django, Angular, PostgreSQL, Celery
  • Optionally, experience with Docker, Docker Compose, Kubernetes, Helm Charts, nginx, WebGL (ThreeJS), GitLab CI, C++ 
  • Excellent English skills and can speak conversational German (the latter is beneficial, but not required)


  • Growth: Work with a team of leading experts in particle-based fluid simulations from various fields such as Math, Numerics, Mechanical Engineering and Computer Science. Personal and technical advancement every day.
  • Flexibility: Work whenever you want from wherever you want. Flat hierarchies where your ideas matter. Choose your preferred OS and your development environment. To create the best possible working conditions, we provide sufficient monitors, high-end hardware and height-adjustable desks.
    In addition to this, each employee has an annual budget of €300 for further items to make everyday work easier.
  • Scale: Permanent employment at fair conditions.
  • Fun: Smoothies, coffee, fruits & snacks, a Hansefit membership, exciting after work activities like canoeing, kart racing or hiking through the beautiful Black Forest – there is more than just work.

We at FIFTY2 love great technical products!
With our software, customers can test and optimize the functionality of their product ideas quickly and cost-effectively. Our simulation and visualization software, PreonLab, is used worldwide by leading producers in the automotive, machine and household appliance industries. PreonLab convinces our customers with its unique performance in calculation and extraordinary efficiency in use.

We are looking forward to your application
Apply now!