Senior Front-end Engineer

Well-designed systems since 2001

Job details

  • Full-time
  • map markerLisbon, PT
  • cardRequires Work Permit
    Requires that you're a citizen or have a valid work permit / visa sponsorship to work in the country in which this position is based.
  • routeSenior
  • routeEnglish
    Preferred spoken language

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As winners of the 2018 Swiss FinTech Award, we have a bold vision.

We’re doing cool things with blockchain-based workflows, bringing it to enterprise in a way that anyone can use. The prototype is built, the funding is secure and Proxeus is being tested with a series of industry leaders in trade finance, tokenization of assets, legal & compliance.

Whether we are issuing university certificates on the Ethereum blockchain or tokenizing artworks, our work is innovative, diverse and designed to shake up the world as we know it!

Your Role

You will be hired by Futuretek and assigned to the Proxeus project. We are looking for a Front-end engineer who is motivated to combine the art of design with the art of programming to help disrupt traditional industries using blockchain technologies.

  • Develop new user-facing features for the Proxeus core
  • Bridge the gap between the visual elements and the server-side infrastructure
  • Work with front-end and back-end web developers to build all the client-side logic
  • Ensure the technical feasibility of UI/UX designs
  • Optimize applications for maximum speed and scalability
  • Build reusable code and libraries for future use
  • Collaborate with other team members and stakeholders

Main requirements

  • 4+ years professional experience with JavaScript, HTML5 and CSS3- including all the quirks, and workarounds
  • Experience with WebSockets, Local Storage, or ES6
  • Strong understanding of asynchronous request handling, partial page updates, and AJAX
  • Proficient understanding of cross-browser compatibility issues and ways to work around such issues
  • Proficient understanding of code versioning tools, such as Git
  • Understanding of browser rendering behavior and performance
  • You are a team player with a positive attitude and a desire to learn and use the very latest technologies
  • Excellent communication skills in English
  • You have a Swiss or EU passport (or other permit that allows you to work in Switzerland)

Nice to have

  • Experience with Vue.js or React is an added bonus


  • Competitive salary and token participation plan
  • Additional budget for equipment and workstation set up
  • Fast-paced, international environment with a dedicated, execution-oriented team
  • Transparent and honest feedback culture
  • Coaching and mentoring to help you reach your personal goals
  • Flexible work environment and possibility to work remotely
  • Opportunity to have an impact and disrupt the world as we know it!

Apply now

Sign up to apply

Or sign up to refer and earn a reward of €300