To help develop the capabilities of mass photometry (MP) for mRNA bioprocessing.
Working in the biology function around chemists, biochemists, software and instrument engineers the mRNA scientist is responsible for developing new calibrants, consumables and assays, as well as validating and informing the design of surface, software and instruments for mRNA analysis.
The mRNA scientist will work with colleagues across the R&D team to establish best practice when handling mRNA samples, design experiments and interpret results. All informing the development of new consumables or instruments for use in mRNA manufacturing. They will work with product management and external partners in mRNA bioprocessing to ensure products are scientifically robust and aligned with market need.
We are ideally looking for someone with the following skills and experience:
We know there is no such thing as the perfect candidate and that there is great value in transferrable skills, so please don’t feel you have to tick all of the above boxes to apply!
Why work for Refeyn?
Compensation and core benefits
Family Friendly Benefits
Refeyn offers YellowNest Nursery Scheme to all employees once probation is passed, and new parents can benefit from up to 17 weeks fully paid maternity, adoption and shared parental leave, 4 weeks fully paid paternity leave, plus an annual allowance for emergency childcare.
Supporting your Development
All employees receive access to Linkedin Learning which offers thousands of courses to support their personal and professional development. We also run frequent training sessions on both hard and soft skills.
Creating an Engaging Culture
Refeyn supports hybrid working where the role allows and offers flexible start and finish times. We also have a subsidised weekly lunch for onsite employees and a vibrant social calendar which includes holiday parties and midsummer festivals plus an annual team budget for managers to plan team-building activities.
Values-Led
Refeyn is committed to celebrating each other’s differences and creating a dynamic, driven and diverse culture where everyone can flourish. We are proud to have been awarded Committed Status by the Inclusive Employers Standard in 2024 and are working hard to create a safe and empowering environment for all.
We firmly believe that there is great strength in building teams with different voices, experiences, perspectives, and backgrounds so that we can continue to share the team workload and enable our customers to succeed, and we welcome applicants from all sections of society to join us on our mission to advance discovery through innovation.
Refeyn is proud to use anonymised hiring practices. Identifying information such as a candidate's name, email address, date of birth and photo will not be visible to the hiring manager when they review CVs.

Refeyn is pioneering the next era of molecular analysis with mass photometry, a breakthrough technology that weighs individual molecules with light. Our instruments deliver rapid, direct insights into biomolecular function and structure, accelerating discovery and transforming biotherapeutic development. With 1200+ citations, 600+ global installations, and use in Nobel Prize–winning research, Refeyn is shaping the future of scientific innovation.