Senior Ruby Developer

We're looking for people who

  • Have a large practical experience in programming in Ruby on Rails
  • Are able to share that knowledge with the team and be a mentor to less experienced colleagues
  • Believe that there are no problems which can’t be solved
  • Know how to write efficient code and SQL queries and design efficient and scalable solutions
  • Know how to select the right technology for a particular issue, not the other way around
  • Can be a leader of a project
  • You should have at least 5 years of experience in programming web applications using Ruby on Rails or a similar technology

Our candidates must be fluent in

  • Ruby and Ruby on Rails
  • Relational and non-relational databases
  • Writing effective automatic tests
  • Web stack issues, from HTML and CSS, through Ruby and Ruby on Rails, to databases and servers
  • Effectively utilizing a cache whenever it’s necessary on different levels of the application (HTTP, application, database)
  • HTTP protocol, XSS, SQL Injection, WebSockets
  • Leading the team

Bonus points for

  • Open source contributions
  • Interesting projects carried out in the past
  • Strong familiarity with different developer technologies not mentioned above (mobile development, cloud servers administration)


  • Multisport card
  • Private healthcare
  • Devices with an apple‐shaped logo
  • Company parties, trips, a lot of fun and delicious sandwiches for breakfast, every day :)

From 9000 PLN + VAT

When applying for this position, please send us your CV and piece of your back-end code to - 100 lines at most.

or send an email at

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