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Senior Frontend Developer

Barcelona, Catalonia, ES

Company: UserZoom

Category: Computer and Mathematical Occupations

Published on 2022-05-20 00:41

Who We Are


UserZoom is the All-in-One Platform to Rapidly Test Usability & Measure User Experience global leader. We develop a comprehensive SaaS solution to cost-effectively test, measure and improve Usability and User Experience, on both Web and Mobile platforms. Working with clients, such as Google, Paypal, Amazon, Cisco or IBM among others.


We are looking for a dynamic and highly analytical Senior Frontend Developer who will join our team to help us develop our new web applications.

This Is What You'll Be Doing...

  • Daily analyzing and designing reliable & scalable solutions.
  • Collaborating with the Team to bring solid software to production and build a world-class platform.
  • Being a critical referent for the architecture under work, able to defend & discuss proposals with managers and teammates.
  • Providing technical context and finding key points to boost the best decisions.
  • Communicating and documenting solutions, so they can optimally go through building phases.
  • Being an active player while building, able to take and/or clarify all the aspects.
  • Promoting software development best practices, advocating for clean code and helping others succeed through Engineering review processes.
  • Communicating and documenting solutions, so they can optimally go through building phases.


  • +5 years experience working in Frontend Development.
  • Ability to translate mockups into seamless web pages with perfect visual and functional elements.
  • Experience building web-based applications in React and a state management solution (redux, flux, mobx, others…).
  • Experience with Javascript bundlers like Webpack.
  • Extensive experience with JavaScript ES6, HTML5 and CSS3 (although Typescript a very nice to have).
  • Collaborating with the team to bring solid software to production.
  • Daily analyzing and designing reliable & scalable Engineering solutions.
  • Experience with Git source control, especially GitHub.
  • Experience in Agile methodologies.


  • Career path
  • Birthday as an additional holiday
  • Spanish/ English lessons
  • Referral program
  • Flexible retribution
  • (Zoom) Team building activities
  • Flexible working hours
  • Private Health insurance (AXA)
  • Training & development program
  • International working environment

We seek insight from all people

At UserZoom, we're all about recognising the insights that different people bring to our company - it's what makes us so successful. We know the value and innovation a diverse group of people can create and that's why building a diverse team is a priority for us, regardless of age, gender identity, race, sexual orientation, physical or mental ability, ethnicity, and perspective.

We're on a continuous journey to improve how we recognise & evaluate each person's skills and how each individual can enhance our culture & values. We are committed to being consistent in how we shortlist, assess, hire, onboard, reward and promote based on merit.

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