Senior Front End Engineer

We’re looking for an ambitious, motivated and product-focused senior front-end developer who is also passionate about human rights, the environment and making a difference. Your role will be to develop the front end for our platform, to lead our frontend team, and to build out our design system alongside our extremely talented UI & UX designer. Your work will be central to our product and the role is expected to grow with the company.

The role is a server- and client-side front end development role with a significant product ownership and team development responsibility. You will build the interface to a product that our clients will use every day, including organisation management, complex data interfaces and reporting.

You’ll be joining a tight-knit team consisting of our CTO, three software engineers, a UI/UX designer and QA and product support. Whilst your primary role will be delivering high-quality, well-tested and performant javascript, you’ll also be expected to provide frontend leadership and mentorship.

About you:


  • Ability and experience to evaluate long-term impacts of front end design decisions

  • 5+ years of full stack or front-end engineering experience

  • Deep knowledge of and extensive practical experience in web app development including HTML, CSS, React, NextJS and Typescript

  • A strong desire to learn new things, solve problems and leave everything you encounter better than you found it a detail-oriented focus, coupled with a product shipping mindset

  • Practical experience with Git

Nice to Haves:

  • Experience with AWS including ECS and RDS

  • Experience with Jest and/or React Testing Library and/or an opinion on testing frameworks and methodologies

  • Experience with Python and FastAPI

  • Experience with Figma and/or similar design tools

  • Experience with data visualisation

  • Experience with container-based architectures (docker, k8s etc)

  • A maths or computer science degree from a top-tier university


  • Salary of £60-85k dependent on experience

  • Generous equity options

  • Generous hardware budget on joining flexible hours with the opportunity to mix working in our beautiful riverside office and WFH

  • A wonderful team that make coming to work a joy

  • A mission that will get you out of bed every morning knowing you’re doing good in the world

To apply, please email a cover letter and CV to