Web App Developer (ReactJS, JavaScript)

Headquartered in Thun, Switzerland, TOFWERK aims to bring the advantages of our time-of-flight mass spectrometry technology to new markets and applications. With team members in Switzerland, Germany, China and the United States, we offer custom instrumentation for research laboratories and OEM partners and high performance end-user instruments.

TOFWERK is seeking a software developer to design and build a set of browser-based user interfaces for our time-of-flight mass spectrometers. The successful applicant will combine their experience and knowledge of JavaScript and ReactJS with their excellent communication skills to construct a modular web app framework capable of rapid adaptation to meet the tailored requirements of a diverse set of stakeholders. They will directly liaise with the R&D and instrument teams when necessary to ensure that the stakeholders requirements are comprehensively documented and garner feedback during testing cycles.

The applicant will work in tandem with other software team members to integrate the user interface applications with the underlying TOFWERK libraries and services driving the instrument control functionality. Based on their knowledge of the field and use of TOFWERK technology, they will provide suggestions and feedback to the R&D Department regarding potential short- and long-term product improvements and developments.  


  • 3+ years experience in web app development using ReactJS
  • Interest in collaborating with non-software R&D staff and product teams
  • Independent, well-structured and goal-oriented working style
  • Fluency in English

Desirable Experience and Expertise

  • Experience using Agile development principles, particularly Kanban
  • Experience working as part of an international team across multiple time-zones
  • Basic proficiency in German (Thun, Switzerland location)

We Offer

  • Exciting projects in state-of-the-art mass spectrometry
  • Working with a creative international team
  • An open culture that encourages new ideas
  • Flexible working hours
  • A bright, spacious workplace in beautiful Switzerland or Colorado

We look forward to receiving your application at jobs@tofwerk.com

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