React Front End Developers - Barcelona or Full Remote


  • We are helping a StartUp to recruit REACT FRONT END DEVELOPERS in Barcelona (with the possibility of Full Remote)
  • It’s permanent position, hired by the StartUp, we just help them in the recruitment process
  • Flexible schedule and the possibility to work in a hybrid system (some days on remote and another at their office in Barcelona), or full remote if people are living out of Barcelona
  • They are looking for a JavaScript Front-End Developer that loves the web, has a good eye for design and UX, and likes to deliver polished products that are ready to be published.
Your tasks will include:
  • Co-designing, developing, deploying and maintaining different React-based websites managed by the company
  • Contributing to the development of the user interface of their web-based data visualisation applications. This usually means working with mapping engines and dataviz libraries, as well as integrating data from different APIs
  • Compilation and refinement of specifications and technical requirements based on the needs of each project, in collaboration with commercial and technical team
  • Testing the web applications in the most common combination of operating systems and browsers, including desktop devices (they take the testing with mobile devices for granted)
  • Setting up the collection of user events to understand the usage of the deployed services
  • Configuring the web applications for deployment both to staging and production environments, and keeping the internal documentation up-to-date with these configurations
  • Collaboration with graphic designers to realize visual design intent also by exploring emerging technologies and industry trends and integrating them into the company’s activities

The salary range would be 30.000 – 50.000 euros gross per year depending on the experience (maybe they could consider candidates with economic expectations a little bit higher), + tickets restaurant, medical insurance, and training. There are several positions, juniors and seniors.



  • Experience in developing JavaScript-based web applications with the React UI framework (at least 1 year)
  • Good knowledge of HTML5 and the semantics of its elements
  • Extensive knowledge of CSS3 and its different layout models
  • Passion for design, UX and usability
  • Focus on detail, not just for pixel-perfect web designs, but also for cross-browser compatibility and optimum rendering performance
  • Effective interpersonal, communication, and collaboration skills
  • Good level of English
Bonus points (is not a Must):
  • A master’s degree in Computer Science or similar
  • Experience working with SVG and Canvas elements
  • Familiarity with TypeScript
  • Knowledge of isomorphic web applications (e.g. with Next.js)
  • Experience with server-side JavaScript running on Node.js (e.g. designing and implementing APIs, developing algorithms, accessing back-end services and databases)

1 year


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