Lead Frontend Engineer - React / GraphQL

London, United Kingdom


GraphQL React JavaScript

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We are a team on a mission, to put accessible and affordable healthcare in the hands of every person on earth. Our mission is bold and ambitious, and it’s one that’s shared by our team who shares our values, to dream big, build fast and be brilliant.

To achieve this, we’ve brought together one of the largest teams of scientists, clinicians, mathematicians and engineers to focus on combining the ever-growing computing power of machines, with the best medical expertise of humans, to create a comprehensive, immediate and personalized health service and make it universally available.

At Babylon our people aren’t just part of a team, they’re part of something bigger. We’re a vibrant community of creative thinkers and doers, forging the way for a new generation of healthcare. We’re only as good as our people. So, finding the best people is everything to us.

We serve millions, but we choose our people one at a time…

What are we looking for?

We’re looking for someone experienced in developing scalable, well-tested, and maintainable JS applications using React to lead a relatively new team to build some amazing applications. You must be able to translate design and specs into beautiful, usable web applications. You will be working on developing our market-leading products, in the collaborative and growing engineering team based in our central London office.

The future of our product is focused around utilising AI solutions to revolutionise how we diagnose, treat and prevent diseases; your effort will contribute heavily to experience of our customers accessing our products.
You will help us build and support great products across Babylon, as well as shaping our vision of an intelligent virtual assistant for the medical domain, in order to make health care affordable and accessible for everyone.


    • Lead a growing team of web engineers building web applications both for Babylon End Users and for Doctors
    • Work with the AI team to build the tools to advance the state of the art in healthcare AI
    • Research, conceive and develop web application to extend and improve on Babylon Health’s product offering
    • Build efficient and reusable front-end systems and abstractions. Provide front-end coding expertise, and be ready to make Babylon Health better for our users
    • Work closely with UX designers, project managers and back-end engineers to implement an awesome user experience
    • Work with Data Scientists and Backend Engineers to build features and shippable experiments
    • Participate in design and code reviews
    • Identify and communicate front-end best practices.

Skills we're looking for

    • Excellent and deep experience of web technologies: JavaScript, as well as experience with modern Javascript frameworks such as React
    • Experience in software development of products on non-trivial complexity; experience developing web-based applications
    • Experience of leading high performing engineering teams
    • Demonstrated design and UX sensibilities.

Current tech stack

    • React
    • GraphQL
    • Apollo Client & Server
    • Some Redux
    • We use Cypress for testing
    • CircleCI for continuous integration.
    • Functional programming principles in React with Recompose (If you have this a big plus)

Babylon believes it is possible to put an accessible and affordable health service in the hands of every person on earth. How? By combining the ever-growing computing power of machines with the best medical expertise of humans to create a comprehensive, immediate and personalised health service and making it universally available.