Experienced Backend Developer

Salary Competitive
Equity To be negotiated

Donkey Republic is expanding its fast growing team and is looking for an experienced RoR backend developer to help fulfill our vision of becoming the leading bike rental platform in the world. You will take a central role in ensuring a great experience for our users while ensuring that our service is scalable. We are a close team, with a good balance of fun and productivity.


You will pair up with our talented lead backend developer and the rest of our tech team to design and implement the backbone of our future bike service. Every feature delivered is of immediate use for our partners and riders.

Our codebase is already well structured, clean and highly tested and we expect you to be excited about continuing this mindset. As we are in a phase of fast growth, scalability is becoming an ever more important factor in every feature that we build.

We expect that you have at least some years of experience with backend work in Ruby-on-Rails and having some experience with Fullstack work is also a plus. In addition, we also care a lot about how you fit in the team.

Besides that: Here’s the usual list:

We expect you to:

  • Know your way around Ruby on Rails and backend architecture.
  • Understand REST and best practices for web services.
  • Write methodical, maintainable code
  • Have experience with testing and continuous delivery.
  • Have some experience with Javascript and Sass
  • Have some experience with scaling a service.
  • Have experience with Git or other VCS tools.
  • Be fluent in English.
  • Want to change the world with bikes.

What we can offer:

  • Ambitious, investor backed startup in Copenhagen.
  • High degree of flexibility and freedom in your workday.
  • Working with a cool product.
  • Cool surroundings in central Copenhagen.
  • A great salary and options.
  • A company with strong data driven decision making.
  • Changing the world with bikes.
  • Relocation & working permit help if needed.
  • Great team that hangs out and goes on retreats multiple times a year.

Our tech stack currently consists of the follow technologies:

  • Rails 4, Ruby 2.2, Postgres, RSpec, Code Climate for linters and code coverage, Heroku, Circle CI, ReactJS (JSX), Coffeescript, Sass, ERB

Donkey Republic is a bike share service set out to revolutionize the way we transport ourselves. Our in-house developed smart-lock is operated through the users smartphones which provides us the flexibility required to change the way bike sharing works. We already have a fleet of bikes operating on the streets of Copenhagen as well as other countries around the world. See more on: www.donkey.bike

Our office space is in Startup Village, which is the main startup hub in central Copenhagen.

Perks and benefits

This job comes with several perks and benefits

Working at
Donkey Republic

In 2015, we created an electronic lock and an automated, self-service bike-sharing system in a Copenhagen home basement. Since then, we’ve been taking that system on a ride around the world, while aiming to turn the bicycle into the hero of public transportation and a catalyst for greener, more liveable and less traffic-congested cities. Donkey Republic is a global bike-share service.The Donkey Republic app allows riders to find a bike nearby in many cities around the world, rent it, and unlock with the app 24/7. Donkey Republic aims to turn the bicycle into the hero of urban mobility and a catalyst for more liveable cities, happier people, and a healthier environment. Currently the company has 7000 bikes on the platform in 19 countries which have been ridden by over 160,000 users. We are a group of fierce cycling enthusiasts who work hard, challenge each other and learn fast to come up with innovative ways to solve today’s urban mobility challenges. Join the Donkey Squad.

Read more about Donkey Republic

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