Senior Backend Engineer, Core Platform (Ruby on Rails)

Coinhouse is hiring!


Founded in 2014, with services both available online and at a Paris-based store, Coinhouse is the trusted partner for investors looking to understand, acquire, sell and securely store cryptoassets. Coinhouse has a team of 30 professionals currently serving more than 150,000 users from across Europe.

Job Description

The Job

  • Help scale the platform and build out new features
  • Interface with various blockchains to build out custom monitoring tools
  • Contribute to the growth of the company, develop new skills
  • Advance and strengthen the design and architecture of the core platform
  • Not taking yourself too seriously, life is meant to be enjoyed
  • Take ownership over projects, timelines and deliverables

Our Stack

  • Ruby on Rails
  • ReactJS / GraphQL / Apollo 2.0
  • Postgres / Redis
  • Docker
  • Github / DroneCI / Continuous delivery / Agile
  • Coffee (the drink)
  • Lots of Vacation (It is France after all)


  • Advance data modeling for trading
  • Contribution to open source community / projects
  • Smart Contracts
  • Functional / stateless programming

Preferred Experience

Building things is hard and it takes the right people working together skillfully to get things done. Writing code is an art-form and we are looking for those special, talented and motivated engineers who can hit the ground running. As an engineer at, you will be building the tools today that will redefine tomorrow's currency markets. Technology is at the core of our business.

Recruitment Process

We will start out with a 15 minute introduction call in which we will present the company and you yourself. After this initial call, we will schedule a coding challenge to be completed at your own speed / discretion. Following this coding challenge, we will shedule calls with various collaborators within the enterprise. If all goes well, and we can come to a mutual agreement, we sign the papers and live happily ever after !

Additional Information

  • Contract Type: Full-Time
  • Start Date: 24 February 2022
  • Location: Paris, France (75002)
  • Experience: > 4 years
  • Occasional remote authorized
  • Salary: between 45000€ and 65000€ / year