Ruby Developer | Krakow/Warsaw | #1023

  • Position: Ruby Developer
  • Level: mid | senior | lead | principal
  • Location: Krakow/Warszawa/Partially Remote

Our client is a British fintech company building and running a platform operating pensions of over a million people and still growing on new markets. On a daily basis, over 2 billion GBP are processed by their solution, built with the latest Ruby stack.
The platform offers automatic pension schemes based on a defined contribution plan, handling the whole process through a digital platform.
Their engineering team has grown by over 400% in the past two years. It is composed of over 200 highly qualified people with the same goal: deliver high-quality, reliable, highly performant and scalable code. Does it sound great and challenging? You could be one of them! Check out the details below:

Key facts:

  • Clean code – universally compatible with previously developed branches and easily maintainable
  • Continuous Deployment – new branches are merged 20+ a day
  • Focusing on testing – the code features nearly 100% test coverage
  • Focusing on building new features according to financial regulations on each new market


  • You will focus on developing a Rails-backed GraphQL API and backend services
  • You will write high-quality, fault-tolerant, scalable code
  • You will cooperate with cross-functional teams in Poland and in the UK
  • You will have real input on potential improvements and the choice of relevant technical solutions

Tech stack:

  • Ruby 2.7.2
  • Rails 6.1.3
  • Front-end written with Ember + React, aiming at keeping only React
  • DBMS: MySQL and GraphQL
  • Cloud and Containerization: AWS + Kubernetes
  • Daily toolset: Git, Github, Confluence, Jira

What we are looking for:

We have vacancies for all levels of experience, from Regular up to Princpal/Lead Engineer

  • At least 3 years of commercial experience in Ruby on Rails (the more, the better)
  • Hands-on experience using MySQL, GraphQL, Kubernetes
  • Focus on code quality and expertise in testing your code
  • Ability to tackle scalability issues, especially for Senior level candidates
  • Detail and quality orientation
  • English proficiency B2+

What we offer:

  • Gross Salary levels between Mid (16 000 – 24 000 PLN), Senior (24 000 – 30 000 PLN), Lead (28 000 – 34 000 PLN), Principal (32 000 – 38 000 PLN)
  • Employment contract or B2B (gross = net on B2B)
  • Multisport card
  • Private Healthcare including dentist
  • 26 days off on both employment and B2B + additional two days off for Xmas and NYE
  • Flexible working hours
  • Training budget
  • English courses




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