Senior Front-end Software Engineer - React/JS + UI/UX experience in Madrid


60,000 - €100,000
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Job Description

You will be a key designer and developer of the user interface for our network optimization product, developing new data-visualization and real-time control functionality, and implementing an appealing UI/UX


  • Develop new data visualization and real-time control functionality for our network optimization product
  • Design appealing and consistent UX/UI for our product.
  • Evolve the design of our Graphical User Interface, which is currently based on native JavaScript, Node.js, Bootstrap, jQuery and D3, towards a React framework.

Minimum Qualifications

  • Bachelor's degree in Computer Science or a related field.
  • 5+ years of software development experience.
  • Expert skills in vanilla JavaScript programming.
  • Expert skills working in React with recent experience in ES6.
  • Expert skills in HTML5 and CSS3.
  • Working experience with Node.js, Bootstrap and jQuery.
  • Significant experience with data visualization libraries for browsers, like D3.
  • Experience with React UI component libraries like MUI, PrimeReact, Bootstrap or Ant Design.
  • Demonstrated UX/UI experience
  • Experience with Linux development environment (basic shell commands, make, etc.) and tools (especially GIT using the command line).
  • Linux system administration skills (to manage your Linux laptop for development).
  • Proficient in English (fluent in reading, writing, and speaking).
  • EU nationality or Spanish work permit already granted.

Desired Qualifications

  • 10+ years of software development experience.
  • Experience with Test-Driven Development (TDD) & TypeScript
  • Experience in C++ and Python programming.
  • Experience with scripting in sh/bash shell and Linux tools (awk, sed, etc.)
  • Experience with imaging tools: GIMP, Inkspace, etc.
  • Experience with virtual environments (KVM, VMware or VirtualBox) and containers (docker, Kubernetes).

We offer:

  • Full-time indefinite-term employment contract
  • Competitive salary (60K€ - 100K€, depending on experience and qualifications)
  • Work with top-level engineering group in a successful technology start-up

About Bequant


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