Ruby developer | Krakow | #576

  • Salary: Up to 18k (Perm or B2B)
  • Location: Krakow, Main Market Square
  • Tech stack: Ruby on Rails, React, Elasticsearch

We’re looking for a Ruby developer to join the company that creates a tool for online payments, especially recurring billing, for example, license for a product payable monthly, per year.

Important numbers:

– The company has over 4k clients (including such brands as Newsweek or Formstack), each of which has many end-users and 1.8 million subscriptions

– The system supports 1.6 billion charges per year and processes 233 million requests per month to its API server

Team: Currently 11 people at the Krakow office.

Who are we looking for?

  • Full-stack Developer (Preferred Full-stack Developer)
  • Stack: Ruby 2.3 (still, test 2.5 version), Ruby on Rails, 4.2 (still, test 5.0 version), React, MySQL, Elasticsearch (a lot!), AWS, Heroku, Docker
  • Architecture: Currently, one large application (monolith). They are working on rewriting the system for microservices

Main challenges:

  • Architecture optimisation
  • High security requirements (The financial industry)
  • Multigram payment (Multigateway)


  • Salary up to 18 000 PLN (contract of employment or B2B)
  • Private medical care in Luxmed (full package)
  • MultiSport card
  • Access to Udemy
  • English lessons
  • Training budget (3 000 PLN)
  • Possibility of trips to the USA (San Antonio)
  • Apparently the best coffee in the city ?

Recruitment process:

  1. Phone interview with HR
  2. Technical meeting in the office



... and get up to 2500PLN refferal bonus!