Supplier Validation Quality Assurance (QA) Contractor

Who is Castor?

In the last 12 months, Castor realized 383% commercial growth. With more than 400 recurring paying customers, including a top-5 pharma company signed in Q1, are you ready to share in our success?

Castor is a leading cloud-based clinical data platform working with some of the world’s largest pharmaceutical companies, medical device companies, biopharma, and renowned academic institutes.

We simplify the clinical trial process, from recruitment to analysis, with user-friendly, patient-centric technology. Our mission is to bring medical research into the digital age. Why? Because medical research is still largely run using free-text, paper, and legacy technology.

Our self-service platform enables our users to run remote (decentralized), device-enabled, patient-centric trials. By helping our users capture high-quality data and making it machine-readable, we are fundamentally changing the flawed evidence-based medicine process.

How is Castor supporting the Coronavirus crisis?

Castor has joined the global fight against the Coronavirus by making our research data capture system available for free for all COVID-19 research projects. As a result, Castor is supporting more than 200 COVID-19 studies across the world, including the World Health Organization’s SOLIDARITY trial.

The Role

What you’ll do:

As the Supplier Validation Quality Assurance (QA) Contractor you are responsible for Validating or Qualifying some of the internal tools used at Castor, and providing objective evidence to demonstrate that the Computerized Systems consistently produces the results for their intended use.

  • You will ensure computerized systems ( suppliers) that are required to demonstrate compliance with GXP regulations meet our quality standards according to the supplier and purchasing procedure;

  • Perform Quality Assurance activities to create and execute test cases that provide sufficient evidence that software is functioning according to its specifications;

  • Generate necessary evidence to demonstrate an appropriate level of assurance that suppliers are able to consistently supply quality of output and services are in compliance with regulatory requirements.

  • Work with supplier owners to get familiarized with the software, understand security needs, and gather user requirements

What you’ll bring

You will have experience of validating computerized systems, and be happy to be a contractor to help with the growth of Castor;

  • Ability to both, be able to collaborate with team members from all departments, while at the same time work with limited supervision.

  • Familiarity with writing documents needed for implementation of new computerized systems such as URS (User requirements), Validation Plans, Test Cases, Operational Qualification Documents, Work Instructions, maintenance, etc.

What you’ll learn

It’s a crucial time for Castor. We’re on ‘full power mode’ and scaling up at an exponential rate. For you, the opportunities are endless:

  • Enhance your skills through implementing cutting-edge, automated compliance processes

  • A chance to support the growth of a true scale-up company

  • Be involved in maximizing the impact of medical research and improving healthcare

What you'll get

At Castor we truly live and breathe our core values, believing we can achieve anything with a healthy and happy team.' With this in mind, we offer the following benefits:

  • A flexible and remote working opportunity, this is a freelancing 6-month contract

  • A competitive salary

  • Up to 30 days annual leave (plus national holiday days)

  • Interested in ‘lifelong learning’? You’ll love using our development and training budget

  • Flexible approach to working - nobody is tracking your time

  • A MacBook or Dell laptop, we’re a tech start-up after all ;)

  • Like to feel zen? You’ll love our company subscription to Calm for meditation and yoga

Please note this is a contracting position, and we will require someone to join Castor as a freelancer on a temporary 6 months contract working 2-3 days a week.

Want to know more? Check out the role profile for some further insights or apply now. 

Castor continues to grow as an Equal Opportunities Employer. We strongly encourage applications from women, people of colour, and people from the LGBTQ(+) community. In your application, please feel free to share the pronouns you use (for example, she/her/hers, he/him/his, they/them/theirs, etc.).

Our Interview Process


Fill out a short application on our careers website.

Telephone Call
Telephone Call

If your application is successful, we’ll invite you to an intitial call with a member of our talent team.

Manager interview
Manager interview

Great news! You’re invited to meet the hiring team.

Interview Day
Interview Day

Now we’ve got even better acquanted, we’d like to invite you to a final stage interview day.


Congratulations! We’re making you a formal offer to join as our next Castorian!

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