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Senior Backend - Online broker

Madrid, Spain. Engineering. Salary Range: 45k-50k €.

Our mission and values

We’re on a mission to make financial markets accessible to the 99% of the population.

We believe that our financial system is broken.

And that people can transform an improbable idea into a reality.

We believe in transparency.

And that trustworthy companies need society's support to make the world a better place.

We believe in smart disruption.

And that zero-commision investing will help you accomplish ambitions that were seemingly impossible.

These values have helped us to imagine a new way to invest in the stock market. And they inspire us in all the decisions we make. Will you help us?

About the position:

We are looking for a passionate senior Ruby on Rails engineer. Someone who shares our desire to build high quality products that put customers at the forefront of our product core.

As a member of our engineering team you will build new features, improve our backend, connect our platform to financial third-parties, and work closely with other product-related teams.

Working from our headquarters you will play a key role in the design and implementation of key features that will be used by thousands of users every day.

What you’ll do:

  • Build our backend (middle and back office) from scratch.
  • Connect our platform with financial third-parties.
  • Design, build, and maintain APIs, services, and systems across our engineering team.
  • Care about the product you are crafting by choosing the best possible technical solution.
  • Set and improve the best coding practices.
  • Work closely with other product-related teams.


  • BS/MS degree in computer science or other related technical field.
  • 5+ years of relevant experience as a software engineer.
  • Deep knowledge of Ruby on rails and/or Elixir.
  • Experienced in building scalable backend APIs.
  • Passion for building great products.
  • Creative problem solver - able to identify real obstacles and viable solutions.
  • Prior experience on a Fintech or financial institution - a plus


  • Option to work remotely
  • Flexible schedule
  • Competitive salary based on experience
  • Sponsored continuous learning
  • Sponsored assistance to event and conferences
  • Annual international team meet up
  • Private health insurance
  • Family support
  • Merch, snacks and good vibes
  • Day off for your Birthday

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