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Junior Ruby Software EngineerRemote

Ada is the first AI assistant to help you choose the best apartment with no hassle. We are searching for a Junior Ruby Software Engineer to develop and maintain our back-end application. Ada’s a VC-funded company with an artificial intelligence research grant from The National Centre for Research and Development (NCBR). We’re building a strong, diverse team of curious, creative people who want to help people enjoy living in their brand new great apartments.


  • Helping to deliver features in an agile environment
  • Fixing bugs and writing tests
  • Making our Rails 5 application and its supporting microservices more performant
  • Contributing ideas on how to improve the codebase


  • 1+ years of experience in developing Ruby on Rails applications
  • …or a little less, but you’d have to be willing to learn, willing to learn, willing to learn…
  • Basic ability to write tests in RSpec
  • Some experience with PostgreSQL or MySQL
  • Ability to prepare a Pull Request on GitLab or GitHub
  • Knowledge of HTML and CSS
  • Good English

A big plus if you:

  • Have Open Source projects in your portfolio—as well as contributions
  • Have light background in data science or machine learning
  • Worked before with any of the technologies belowTDD, BDD, Facebook Messenger, Microservices, Kubernetes, Firebase, Capybara, Selenium, Algolia, JavaScript, React, PostGiS
  • Know other programming languages—e.g. JavaScript or Go

We’re offering:

  • A possibility to open source reusable code you create
  • A flat team hierarchy with supportive and highly collaborative people of different backgrounds, experiences, abilities and perspectives
  • Flexible working hours
  • A meeting-light culture
  • A fully remote work environment—you can work from home or a co-working space in your cityWe believe everyone should be able to live wherever they want—and preferably find their apartment there with Ada 😊
  • A salary of 2600-3200 PLN net + VATContract Work (Umowa o dzieło) or B2B (Faktura)

If you’d like to apply or have any questions, please contact us at:

If you apply, please attach:

  • Your CV or LinkedIn profile
  • Your GitHub profile or a link to your personal website
  • A short letter about yourself and your experience with Ruby

We work at Ada hoping to do the best work of our lives. Come and join us.