Front-End developer

  • Full Time
  • Remote
  • Anywhere

Website marsbased MarsBased

MarsBased is a development consultancy from Barcelona offering end‑to‑end web & mobile apps built with Ruby on Rails, Angular and JavaScript. We believe in remote work, quality over quantity, clean code and agile development methodologies.

We’re looking for a senior frontend developer to join our Martian team, with strong knowledge of HTML, CSS and JS frameworks such as Angular, React or React Native.


– Communication with clients and teammates.
– Self-management working remotely.
– Good taste for web/mobile design.
– Regular contributor to open source projects.
– Positive attitude towards new challenges.
– Attention to details.
– Fast learner.
– Proactive & able to work alone on projects managed by you.
– Fluent in written & spoken Spanish.
– Fluent in written & spoken English.


– Strong HTML and CSS knowledge, including SASS and responsive design.
– Strong JavaScript knowledge. Experience with one or more of the following frameworks: Angular, React and React Native.
– Strong Git knowledge.
– Familiarity with test-driven development (TDD).
– Experience working with designers.
– Experience working with backend developers.
– Be able to build software that scale over time, in both performance and maintainability.
– Good software writer. Not only do we want you to solve problems, but we also want to understand your solutions.


– You may only apply for this position if you reside in Europe.


– Competitive salary.
– Work from home or from a coworking space.
– Flexible working hours.
– Amazing coworkers.
– Modern tech stack and methodologies.
– Transparency and quality-oriented culture.
– Company activities.


– Between €27K and €36K, depending on experience.


If you are looking for a new challenge in your career, drop us a line at and tell us why you are the perfect fit for MarsBased.

Also, make sure you include the following line in the body of the email: “Jim Carrey is my favourite actor”.

To apply for this job email your details to