We are looking for a

Developer of ultrashort pulsed lasers

Our established laser systems will be the core of our pioneering medical technology, while already being used worldwide for fascinating research. As part of our development team, you will create novel laser technology for ultrashort pulsed lasers and nonlinear frequency conversion. You will  develop new products as well as improve our existing ones, both for application-specific customizations and in projects with inspiring partners such as Bayer AG or the Max-Planck-Institute for the Science of Light.

Your responsibilities:

  • Design and experimental evaluation of novel laser systems
  • Splicing of fiber components and alignment of optics
  • Assembly of electronic and opto-mechanical subsystems
  • Iterative development of prototypes up to the transfer into production
  • Observation of scientific and technological trends
  • If desired: tasks in related fields such as project management, production, service or sales

Your qualifications:

  • BSc, MSc or PhD in physics, optics, or related fields
  • Experience in the assembly of lasers and optical setups
  • Knowledge of ultrashort pulsed lasers and nonlinear frequency conversion
  • Independent, thorough, and team-oriented way of working
  • Eager for new challenges and hands-on mentality

We offer:

As part of Refined, you will have the possibility to shape our ambitious company and to grow with it. By accepting responsibility in various positions, you can find the ideal role for you. We value professional dialog and mentoring – we find solutions to complex problems together, make decisions by consensus, and are open to individual education, e.g., by attending congresses or workshops. Besides our motivation to shape future diagnostics, we share humor and friendship. Regular „Well-Done-Beers“, company retreats and running jokes are examples of our team spirit.

We also offer:

  • Flexible working hours and the possibility to work remotely if your tasks allow you to
  • Long-term contract
  • Competitive salary, 30 vacation days plus vacation on new year’s and Christmas‘ eve
  • Training and exciting tasks at the intersection of lasers, microscopy, and AI
  • Free drinks and height-adjustable desks
  • Münster – One of the most livable and bike-friendliest cities of the world
  • Individual benefits, e.g. job bike, sport & fitness courses, payment of daycare fees or company pension plan

Please send your CV to or feel free to contact us if you have any questions.