Frontend Engineer (Mid/Senior/Lead) | £50,000-£110,000 + Equity

London, England, United Kingdom Full-time

Cleo is an AI assistant that helps over 400,000 people in the UK, US and Canada feel great about their money. We're one of the fastest growing startups on the planet backed by the founders of Skype, Transferwise and Zoopla.

We're looking for a customer focused frontend engineer that can help us deliver an amazing product at scale. You'll work within a bright experienced front-end team of 3 and a wider engineering team of 8 growing to 16 over the next year.

We want Cleo to be known for being one of the best engineering organisations anywhere and hope you'll make a big contribution to building that culture.

Who we're looking for:

A product-aware frontend engineer to help us on our mission to simplify finance for a generation: you'll centre users in the way that you think, and have a passion for great UI and UX. You will be working on:

  • Iterative feedback-based user experiences.
  • Building and maintaining a high quality component library.
  • Be a critical decision making in the direction of our product and platform.

Required skills:

  • 3+ years of experience of JavaScript and JavaScript patterns.
  • Experience in React + Flux architecture + Webpack.
  • Understanding of other JavaScript libraries and frameworks such as Angular, Knockout, Backbone, Vue.
  • Proficient understanding of cross-browser compatibility issues and ways to work around such issues.
  • A passion for code ownership and testing strategies.

You should apply if:

  • You're excited by what we're building at Cleo!
  • You write clean, maintainable code and love turning excellent design into beautiful products.
  • You have a passion for developing products that delight users.
  • You want to build a product that everyone you know uses every single day.

Interview process

We have a simple, fast three step process:

  1. Quick phone call with a member of our engineering team to find out more about your experience and why you want to work at Cleo
  2. Short take-home test
  3. Onsite interview:
    1. Technical discussion with a senior engineer
    2. Pairing on an interesting problem
    3. Meet the CEO/COO

Our Tech Stack

We're big proponents of doing the simple thing first, the 80/20 rule and writing simple, elegant, self documenting code. Here's our current stack:

  • Ruby
  • Rails
  • Heroku
  • Postgres
  • Redis
  • Github
  • CircleCI
  • Minitest
  • React (Typescript/ES6 classes)
  • SCSS
  • Webpack
  • Jest/Enzyme


We offer the following benefits:

  • Above market compensation (Base + Options)
  • 25 days holiday a year. We want you fresh and fully charged.
  • Flexible working / working from home when you need to.
  • Choose your own gear, ask for the tools you need, and we’ll seek them out for you.
  • A lovely loft office, only a stone’s throw from Old Street tube station.
  • Cleo socials and red wine-filled retros every week.
  • Fresh fruit deliveries, only the best coffee, and other snack-based perks.
  • Annual team offsite.
  • Weekly lunch-and-learns, as part of a general learning culture. Plenty of books on hand.

Apply for this opening at