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Senior Frontend/React Developer
at Uplifter

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  • London
  • fulltime
  • ₤50000 - ₤80000 per year

About us: We are the UK’s largest independent web analytics consultancy, based near Old Street tube in London. We are looking for a bright enthusiastic Senior Frontend/React Developer to join our new product team.

Our product – Uplifter – uses data to optimise website performance through machine learning algorithms and data visualisation. Uplifter is a SaaS product. It is currently in beta, and we are aiming to launch a paid version in Jan 2020.

We have a fun, diverse and vibrant culture with respect for work-life balance. You will be in a cool, single floor warehouse-style office near Old Street roundabout, the tech hub of London. Our parent company Mezzo Labs, is growing rapidly with about 30 staff in total, covering data collection, analysis, optimisation, data science and training. We recently opened an office in Hong Kong to expand our reach in Asia-Pacific.

About you: We are looking for someone with a minimum of 5 years of experience with JavaScript, 2 years of experience with ReactJS, and 5 years of experience with CSS and HTML. The ideal candidate would have a thirst for implementing user experiences in a clean and consistent manner as well as being patient and dedicated when training other members of the team.

Role minimum requirements:

  • 5 years of experience with JavaScript
  • 5 years of experience with CSS and HTML
  • 2 years of experience with ReactJS Experience with the following libraries; Redux, React-Router, and Redux-Saga Experience with Git, OAuth, SASS and REST API’s
  • Curious, energetic, positive, enthusiastic, with an enquiring mind Ability to help mentor and train junior members of the team
  • Good at working independently and within a small team
  • Good at solving problems and eager to learn

Additional skills that would be helpful to have, but are not essential:

  • Design experience with Adobe Creative Cloud (Photoshop/Illustrator)
  • Understanding of css modules
  • A base understanding of python
  • A base understanding of flask A base understanding of MVC architectures
  • A base understanding of securing web apps


  • Competitive salary
  • Opportunity to earn share equity in Uplifter
  • Flexible working Regular staff socials (previous include: Secret Cinema, fencing and axe throwing!) 
  • Free life coaching and monthly Health & Wellbeing activities
  • Opportunity to travel (if interested)

You must have the right to live/work in the UK to apply for this job. If you’re interested in helping us launch our product, get in contact with us today.

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