Senior UX Designer Castor

UX UI Remote

"At Castor, it’s incredibly humbling to work on a product that actually delivers a true benefit to the world. Our user-focused products are advancing the discovery of evidence that cures diseases. 

As our Senior UX Designer, you will be solving the user's biggest problems in medical research, collaborating with UX designers, researchers, and PMs to supercharge our market-leading healthcare technology."

David Mitchell, Head of UX & Design


Who is Castor

Castor is a leading cloud-based clinical data platform working with some of the world’s largest 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, 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 tools freely available for all COVID-19 research projects. Currently, Castor is supporting more than 250+ COVID-19 studies across the world, including the WHO’s Solidarity trial.


What you’ll do

In this role, you’ll be leading UX designs across Castor’s product portfolio, while collaborating with other designers, researchers, and POs to amaze our users with user-friendly and rewarding experiences by:


  • Working on Castor’s core, electronic data capture, product 
  • Leading UX across Castor’s product portfolio
  • Bringing a deep focus on creating user journeys and wireframes


What you’ll bring

You’ll bring expertise and background in UX Design, together with a passion to translate needs into elegant user experiences. You love working closely with other UX and design professionals in a small but growing team, making the user experience central to everything you do. You’ll level up Castor’s design team with your:


  • Experience working on the UX design for complex SaaS products
  • Experience in working with and creating design systems.
  • Familiarity with design and prototyping tools, e.g Figma
  • An analytical and creative mindset 
  • The adaptability and flexibility to work in a high-energy startup


What you’ll learn

It’s a crucial time for Castor. We’re on ‘full power mode’ and scaling up at an exponential rate. In your role, you’ll have the opportunity to:


  • Experience building a world-class UX at a purpose-driven health tech start-up
  • Do the best UX work of your career and develop others
  • Work on some of the most unique and challenging UX problems around
  • Apply your expertise anywhere and everywhere, rather than just within your department
  • 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:


  • Awesome new office near Amsterdam Amstelstation - the Castor Burrow!
  • Want to spend less time at work? We offer contracts between 32 - 40 hours per week
  • A competitive salary plus a guaranteed happy holidays bonus
  • Investing in our talent with a strong Employee Stock Option Plan
  • 30 days annual leave (plus national holidays)
  • Interested in ‘lifelong learning’? You’ll love using our development and training budget!
  • We love good food! So, we provide lunch and healthy snacks in the office
  • Flexible approach to working - nobody is tracking your time except you
  • A new MacBook or Dell laptop
  • Like to feel zen? You’ll love our company subscription to Calm for meditation and yoga


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).

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