Realxdata is a Prop-tech company which uses big data and artificial intelligence to digitalize the commercial real estate industry. We have created a Centre of Technological Excellence in Barcelona. We are a global team of talented creators with diverse backgrounds headquartered in Berlin. Everyone supports us in achieving our goal to make the asset class commercial real estate transparent as well as globally accessible. Our data-driven analytics solution guides the change in this industry.

Our platform provides more accurate data for financial enterprises, banks, and brokers to close better and faster deals. We are looking for an ambitious and self-driven Front-end Developer to join our market data team in Barcelona. You will be responsible for implementing visual elements the applications that users see and interact with, which makes your role crucial for the success of our business. One of your first missions will be to create from scratch a map application based on React, well modularized and fully tested, which will consume team’s API (also made from scratch). The performance will always be crucial in the application. At realxdata you get a chance to work with the latest technologies using SCRUM methodology.

Key Responsibilities

  • Develop new functionalities and feel free to propose your best solution
  • Design and develop new libraries and components
  • Transform design, prototypes, and business requirements only with high-quality standards
  • Optimize components and enhance performance.

Required Qualifications

  • Grade/master’s in computer science, Mathematics, Physics or similar.
  • 3+ years of experience developing single-page applications
  • 3+ years of experience developing with React, NPM, and Webpack
  • Sense of ownership
  • Critical thinker and problem-solving skills
  • Sense of humour and great team player
  • Experience with agile methodologies


Desired Qualifications

  • Experience with GraphQL
  • Experience with test frameworks and tools
  • Experience in data visualisation using High charts or D3.js
  • Good understanding of web security aspects
  • Experience with agile engineering practices such as TDD, BDD and CI/CD.



  • You participate in our growth and mentorship program with regular feedback cycles
  • We provide in-house English & German classes
  • Private health insurance
  • Competitive salary with fair bonus structure
  • Team lunches, Friday Beers, and fruit baskets

It is our policy to provide equal employment opportunity for all applicants. realxdata does not discriminate based on race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, or disability.