Front-end developer

We are looking for a Frontend Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Prophecy Labs is a Data Project House with an HQ in Belgium. We are a team of passionate Data Scientists, Data Engineers and Software Engineers from around the globe. We do end-to-end projects in the Data Science field focusing on challenging problems that provide value.


  • Develop new user-facing features.
  • Build reusable code and libraries for future use.
  • Ensure the technical feasibility of UI/UX designs.
  • Optimize application for maximum speed and scalability.
  • Assure that all user input is validated before submitting to back-end.
  • Collaborate with other team members and stakeholders.

Job Requirements

  • Proficiency in English - absolutely mandatory, we’re an English speaking team.
  • Minimum of 4 years as a Frontend Engineer, 2 years using React or similar technology.
  • Proficient understanding of web markup, including HTML5, CSS3.
  • Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
  • Good understanding of advanced JavaScript libraries and frameworks, Preferably ReactJS.
  • Good understanding of asynchronous request handling, Redux, Jest, and their ecosystem.
  • Basic knowledge of how to interact with tools like Sketch, Figma, or Abstract.
  • Proficient understanding of cross-browser compatibility issues and ways to work around them.
  • Proficient understanding of code versioning tools, such as Git.
  • Good understanding of Accessibility principles and ensuring that the application will adhere to them.
  • Proficient understanding of testing frontend applications using snapshot or unit testing.
  • Proficient understanding of code splitting, optimizations, and SSR.