Refeyn Ltd
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R&D Engineer

United KingdomUnited Kingdom·Oxfordmid
EngineeringR&D Engineer
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Quick Summary

Key Responsibilities

Provide technical and scientific insight to develop/deliver new innovations in the implementation mass photometry for next generation instruments and submodules,

Requirements Summary

Provide technical and scientific

Technical Tools
EngineeringR&D Engineer

To help deliver next generation instruments involving a combination of lasers, electro-optics systems, 3D positioners, high speed CMOS detectors and microfluidics.

Working in the engineering function alongside multidisciplinary engineers, the system engineer is responsible for designing, building, and maintaining Refeyn’s cutting edge technology platforms and will lead and participate in high-level instrument design choices, definition of module boundaries and the integration of new and improved modules/features into the broader technology platform. The system engineer will work closely with research, engineering, software, product, and operations teams, to translate product requirements into technical specifications and actionable design verification plans. The system engineer will be responsible for scoping future product/system requirements, scoping their architecture and how they will fit/interact with our current systems, and planning for this integration/upgrade. They will take ownership for the delivery of all technical and customer facing specification for new products and systems.

Responsibilities

~1 min read
  • Provide technical and scientific insight to develop/deliver new innovations in the implementation mass photometry for next generation instruments and submodules, including optical/electro-optical design and data analysis approaches, from proof of concept to production handover.
  • Concepting, designing, building and troubleshooting prototype optical microscopy instruments that measure single molecule properties based on the detection of light scattering.
  • Analysing complex data sets taken on custom built hardware to evaluate instrument performance and
  • Working closely with applications specialists, systems engineers and software developers to deliver new designs or features.
  • Understand and define complex technical specifications and requirements and interpret these to realise new designs/features quickly.
  • Actively participating in the growth of Refeyn’s IP portfolio and identifying patentable IP.
  • Keep up to date on the cutting-edge advances in the fields of light microscopy, light scattering and single molecule bioanalytics, with a view to offer novel approaches and improvements to our technology roadmap.

Requirements

~1 min read
  • BSc Engineering (all fields) or equivalent experience
  • Self-starting and excited by the prospect of working alongside/contributing to a multi-disciplinary team focussed on developing novel high-tech instrumentation.
  • Relevant experience in an optics/electro-optics background, for example: a PhD in Microscopy/laser optics/Nano-optics and a degree in a related field
  • Design/alignment/troubleshooting of optical equipment; Building new optics systems in microscopy or similar technologies.
  • Data analysis in C/C++/Python/Matlab or similar package – ability to perform complex analysis on novel data.

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!

What We Offer

~2 min read

Compensation and core benefits

We anticipate a base salary of £40,000 to £50,000 for this role, depending on candidate experience
25 days annual leave per year in addition to bank holidays
Up to 7% employer matched pension contribution
Private health insurance from day one plus Medicash, critical illness cover, income protection and life insurance
Give as You Earn and Cycle to Work salary sacrifice schemes.
Annual Company and Individual bonus scheme
Paid volunteer day each year
  • Initial Teams call with the hiring manager (30 minutes)
  • Onsite panel interview with presentation and site tour (90 minutes)
  • Final call with Chief Product and Marketing Officer (30 minutes)

 

Location & Eligibility

Where is the job
Oxford, United Kingdom
On-site at the office
Who can apply
GB

Listing Details

Posted
August 6, 2026
First seen
August 6, 2026
Last seen
August 7, 2026

Posting Health

Days active
0
Repost count
1
Trust Level
53%
Scored at
August 6, 2026

Signal breakdown

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Refeyn Ltd
Refeyn Ltd
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Employees
125
Founded
2018
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Refeyn LtdR&D Engineer