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Scientist Biosensor and Assay Development

By April 7, 2023June 27th, 2023No Comments

FOx Biosystems is a young Belgian scale-up on a mission to revolutionize the life sciences and pharmacological research market with innovative real-time, label-free analysis products. The basis of our success is a novel fiber-optic-based surface plasmon resonance biosensor that enables our users to generate high-quality biomolecular data accurately, fast, cost-effective, and in a wide area of applications.

We currently employ about 15 people in our offices in Diepenbeek, Belgium and are excited to expand rapidly over the next months as we’re starting up a new R&D facility near Ghent. The facility will become the new home of the biosensor and assay development team.

We are now looking for a: Scientist Biosensor and Application Development

Job Description

The scientist acts as a driving force behind the development of new bioassays on FOx Biosystems’ proprietary FO-SPR device White FOx. The scientist is responsible for leading the probe or assay development projects that support the release of new biosensors and applications. As a leader within the R&D team, the scientist will keep track of the relevant literature and technology, will maintain and improve the relevant enabling processes and tools, and be a champion for the continuous improvement of the company’s internal processes. The scientist will report to the Director biosensor and assay development and work closely with other scientists and research associates.


  • Lead R&D projects through requirements definition, assay design, assay optimization, and assay validation.
  • Plan, design, and execute scientific studies to achieve assay development goals.
  • Take ownership of the preparation of experiment protocols, data analysis, technical reports, project summaries of R&D projects.
  • Implement and enforce appropriate analytical techniques and procedures in assay development.
  • Timely and effectively communicate any deviations from the project plan, as well as unexpected results or events that may affect project quality or timely delivery.
  • Contribute to New Product Introduction throughout the design transfer process.
  • Act as a Subject Matter Expert and work with all disciplines within the company to resolve issues related to product and process non-conformance, corrective/ preventive actions, or customer complaints escalation.
  • Guide and support junior member(s) of staff.
  • Perform other responsibilities to support the needs of the company as assigned.

Education and work experience:

  • A minimum of Master’s degree in biological sciences or other relevant fields, a PhD is a plus
  • A minimum of 3 years of work experience, preferably in an assay development role
  • Practical experience and in-depth knowledge of analytical techniques for the characterization of biological molecules. Working knowledge on SPR is a plus.
  • Knowledge of and experience with Extracellular Vesicles is an asset
  • Experience in developing immunoassays and in-depth knowledge of assay optimization methodologies and assay validation procedures.
  • Strong experience in analysing immunoassay study data. Knowledge of DOE methodology and statistics is a plus.
  • Preferably, you have a track record of developing and validating immunoassay(s) for commercial use
  • Experience with working in a GLP or ISO 9001 environment is desirable, whereas ISO 13485 is a big plus.
  • Full professional English proficiency, both written and verbal

FOx Biosystems recruits on the basis of core values and personal potential. The company believes in the equal importance of personality and ability to deliver.

Your profile:

  • Strong team player
  • Self-directing and resourceful problem solver with strong analytical skills and a solid technical background
  • Sense of ownership and able to independently plan and manage tasks efficiently
  • Flexible and able to handle ever-changing situations
  • Good feeling for quality

When you work for FOx Biosystems, you have a costumer and company centric focus. We are proactive and pragmatic. We look for colleagues with a proven track record so we can give them the independence and freedom to be successful in their line of work.

Interested? Please contact us at



FOx Biosystems NV

+32 11 28 69 73

contact us