What we need- Proven, dilated experience as a backend developer with Ruby, Ruby on Rails, REST APIs and..looking for a Backend Senior Developer Ruby on rails (They/She/He) to join our team!..Backend Senior Developer Ruby On Rails (They/She/He) Barcelona, Catalonia Backend Senior Developer..Ruby On Rails (They/She/He) Barcelona Barcelona, Catalonia, ES At Quipu (acquired by Sellsy) we are..Our stack- Backend: Ruby on Rails, Elastic Search, Sidekiq, Redis, MySQL, REST, Tensorflow- Frontend: