Senior Frontend Engineer


We switched to a 4 day work week in January 2022 (32hrs / week)

Only considering candidates who are eligible to work in Belfast, UK ⚠️

This is an opportunity to join our dedicated front-end team, where you'll have the chance to work on various UI applications and browser plugins. As part of the team, you’ll have the chance to drive the future of our front-end architecture, tools, standards and practices. This exciting opening allows you to be at the forefront of our ever-growing front-end team and contribute to an already extensive range of cutting-edge customer and internal applications. We are open to hiring at the SE3 or SE4 level for this position.

Some of the stack we're currently using

  • React
  • Typescript
  • React-Query
  • Ant Design
  • Webpack/Babel/ESLint
  • Lodash
  • Jest/React-Testing-Library/Cypress
  • Deprecating:
  • MobX
  • Easy-Peasy
  • Recompose
  • Enzyme

Some of the things we are looking for

  • 4+ years of hands-on experience with front-end technologies e.g. React, Angular, JavaScript, JQuery, CSS, HTML
  • Excellent programming skills in Javascript (ES6+)
  • Professionally proficient in English
  • Experience with enterprise-ready React applications (or other modern frameworks)
  • A solid understanding of HTML and CSS
  • Experience with unit testing in Javascript with React
  • Comfortable moving between libraries/patterns/technologies
  • Experience using Git in a collaborative environment
  • Strong understanding of testing (unit, integration, manual, end-to-end)
  • Enthusiastic engagement with the code review process
  • Willingness to be on-call

Some things that would be nice to have

  • Experience with:
  • Typed Javascript using Typescript
  • One or more build tools such as Webpack, Grunt, Gulp
  • REST API and 3rd party APIs, OAuth, E-commerce plugins
  • Planning throughout the full project life cycle
  • Cloud providers
  • GitHub Workflows or other build tools
  • Building reusable libraries
  • Building component libraries
  • Developing for accessibility


Our UK benefits:

  • Stock Options
  • Annual Performance Bonus or Commissions
  • Pension matched up to 8%
  • ‘Day one’ access to great health, dental and optical insurance scheme
  • Generous annual leave plus public holidays
  • Cycle to Work Scheme
  • Enhanced maternity and paternity leave (12 weeks full-pay for mums & dads, plus 12 weeks half-pay for mums)
  • Regular paid social events organized by our social committee
  • On-Demand Therapy for all employees & their dependents
  • Dedicated learning budget through Learnerbly

We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

We also want to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

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Working Week

We switched to a 4 day work week in January 2022 (32hrs / week)

  • Mon
  • Tue
  • Wed
  • Thu
  • 🏖️

Our Vacation Policy

Our vacation policy varies by location e.g. in the USA we offer Discretionary Time Off Policy (unlimited) and in the UK we offer 20 days PTO plus public holidays. For the UK this works out as:

  • 28 days
  • 52 Fridays
  • 80 days off per year

Remote Working Policy

We have offices in San Jose, New York, Denver, Belfast, London, Sao Paulo and Mexico City. Many of us also work 100% remotely.

Company Benefits

  • Health insurance
  • 401K Match
  • Flexible working hours
  • Generous parental leave
  • Dentalcare
  • Equity / options
  • Equipment allowance

Our Team

We're a team of 560 across 19 departments:

  • engineering
  • data science
  • sales
  • support
  • business development
  • operations
  • marketing
  • human resources
  • finance
  • +10 more teams

Desirable Skills and Experience

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