Runtastic

We believe in supporting people to improve their fitness and overall health. With more than 301 million downloads of our apps and 160+ million registered users on Runtastic.com, we face unusual and fascinating challenges everyday. Our main tools of choice to scale our applications are jRuby, Sinatra, Sidekiq, MySQL, and MongoDB. We are currently looking for Backend Engineers and Senior Backend Engineers, to join some of our cross-functional teams, who are ready to change the world with code!