Senior JavaScript Developer

Lisbon, PT
Intersection Ventures
At Intersection Ventures (Full-time), in Lisbon, Portugal
Salary: €28.000 - €45.000
Expires at: 2020-02-14

We believe that the Intersection of human and machine intelligence can solve existing and emerging problems and that’s why we combine the power of the crowd with the power of algorithms.

We are looking for a talented JavaScript Developer with a passion for building seamless digital experiences to join our team in Lisbon to help us work on MVPs for new products. You will be working closely with strategists, entrepreneurs, researchers, designers, and developers on greenfield projects.

You Will Be:

  • Developing new smooth web user interfaces, prototypes, and MVPs
  • Bridging the gap between graphical design and technical implementation, ensuring technical feasibility
  • Translating the UI/UX design to actual code that will produce visual elements of the application
  • Building reusable code and libraries for future use
  • Optimizing application for speed and scalability
  • Executing work that adheres to best practice brand and consistency standards
  • Collaborating with Product and other team members to prioritize work
  • Participating in code reviews and sharing knowledge
  • Iterating fast with an agile project management process and Kanban boards

About You:

  • Enthusiastic, optimistic and great problem solver
  • Thirst to investigate innovate and develop emerging creative and technology trends
  • Autonomous and able to work well under pressure
  • Love a rigorous debate with your colleagues
  • Embraces change, lots of change

Main requirements

  • 5+ years of experience mastering JavaScript, HTML5, DOM, and CSS3
  • Graduate degree in a Computer Science related field or equivalent experience
  • Meaningful experience with React and/or AngularJS
  • Significant contributions to OSS
  • Understanding of server-side CSS pre-processing platforms, such as LESS and SASS
  • Good understanding of asynchronous request handling, partial page updates, and RESTful API calls
  • Proficient at understanding of cross-browser compatibility issues and ways to work around them
  • Good understanding of accessibility, SEO principles and its implications on web applications
  • Eagerness for lean, pragmatic and well-tested code (Mocha and/or Jasmine experience is a bonus)
  • An EU work permit, no remote option

Nice to have

  • Proficient at semantic HTML, responsive web design and Universal JavaScript
  • Security programming concerns for known flaws like Injection, broken authentication, XSS, etc


  • Startup experience in our fast-growing, venture-backed company
  • Opportunity to influence the choice of the new tools and frameworks
  • Direct contact with the senior team, management responsibilities, and exposure to all business areas
  • 22 vacation days
  • Great central location in the heart of the startup community with a large variety of local lunch options
  • A role that allows you to have a real impact in a fun and exciting environment, working in a highly talented team guided by experienced entrepreneurs


Lisbon, PT

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