Assay Development Scientist


Permanent Cambridge, UK

Biofidelity’s mission is to improve and extend the lives of people with cancer by enabling better targeting of therapies, early detection of treatment resistance, and routine monitoring of treatment response. Our unique technology is designed to allow rapid, broad adoption of our assays in testing labs around the world, enabling a step change in patient care.

At Biofidelity we are proud to have built a culture of teamwork, openness and trust. Our team works towards well-defined goals and a strong belief that we can bring real benefits to patients. Our people are keen to take responsibility for their work and share both their successes and setbacks.

Alongside a competitive salary, we offer a comprehensive benefits package including private medical care, share option scheme, pension, cycle to work scheme, 26 days per year holiday allowance and free physical training sessions.

Biofidelity is expanding its clinical assay team responsible for the development of molecular diagnostic assays based on its core technology. We are seeking experienced, ambitious assay development scientists to help us build and validate these assays as we take our technology into the clinic. This role will be primarily laboratory-based.

Key responsibilities:

  • Development and validation of new assays and reagents for clinical diagnostic tests

Knowledge, Skills and Abilities:

  • Strong background in molecular biology

  • Familiar with IVD regulatory requirements

Requisite Education and Experience / Minimum Qualifications:

  • PhD plus proven industry experience in the development, optimisation and validation of clinical diagnostic assays (or equivalent extensive industry experience)

  • Previous experience in working under design control and to ISO 13485 standards

  • Experience in at least one of the following areas:

    • Molecular diagnostic assay development & optimisation

    • Writing of SOPs & IFUs

    • Quality management systems

    • Reagent manufacturing & quality control

    • Diagnostic validation and verification trials

To apply, please email your CV and cover letter to


How to apply

To register your interest, please send your CV to:

By applying to a vacancy you agree to our privacy policy

Strictly no agencies. Only direct applicants will be considered for this role.

Other vacancies

United Kingdom

Software Developer

We are seeking an experienced software developer to help lead development of a new cloud-based platform for the analysis and presentation of diagnostic test data.

United Kingdom

Project Manager

We are seeking a dynamic project manager to communicate and support project delivery, ensuring that milestones and deliverables are met and that activities are well executed and managed.

United Kingdom

Molecular Biologist

We are seeking talented molecular biologists with a creative and ambitious mindset to join our R&D team responsible for the development and optimisation of our core technology.


VP/Director of Marketing

As the company heads towards its first commercial launch, we are seeking a VP/Marketing Director to help us deliver our commercial strategy and build the profile of the company.