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

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Free coffee / tea
Free coffee / tea

Get your caffeine fix to get you started and keep you going.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Free friday beers
Free friday beers

Friday is something special, let's enjoy a beer together.

Central office
Central office

Your local office is your anchor point, thus, we placed it centrally at your convenience.

See all 14 benefits

Working at
Donkey Republic

Donkey Republic is a leading European bike-sharing service provider to cities and riders. The company has more than 20,000 bikes and ebikes in 70+ cities. Leveraging state of the art software (rider ad operator apps), hardware (bikes, ebikes, cargo bikes, stations), and operational capabilities, we make sure cities can provide an attractive, reliable cycling service. Our mission is to create a better city life for everyone by getting more people on the two wheels.

Read more about Donkey Republic

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