Senior Software Engineer - Ruby

At Infinite Loop we craft web & mobile applications that combine design, technology and strategy for clients around the globe. We are currently seeking talented individuals for the position of Senior Software Engineer - Ruby. In this position you will be responsible for design, implementation and testing of web applications in Ruby using Ruby related tools and frameworks.


  • great command of Ruby and OOP techniques
  • knowledge of Ruby related tools and frameworks
  • at least 3 years of experience in developing web applications (Ruby on Rails)
  • good knowledge of HTML, CSS, Javascript
  • knowledge of the issues associated with relational databases (PostgreSQL)
  • knowledge and practice experience with NoSQL (MongoDB, Redis), Haml/Sass
  • practical experience with unit and integration testing
  • commitment and motivation to work on interesting projects
  • good knowledge of English
  • ability to lead a project and design best solutions to meet product owner requirements
  • attention to details
  • ability to effectively organize working time

Nice to have

  • experience with React.js or other Javascript framework
  • knowledge of other object-oriented programming languages, eg. Python, Objective-C, Java, C#, C++
  • knowledge and experience with DevOps stuff (Linux shell, process management, deployment, web servers, nginx), AWS services, Ansible

We offer

  • work on interesting projects in a young and dynamic team
  • influence on what we build and what tools we use
  • attractive salary, gym package, medical and life insurance
  • comfortable, well-equipped workstation in the office in Cracow's city center
  • opportunities to develop and implement your own ideas

Want to work with us?

If you meet the above conditions send a CV, a list of your projects or link to your online portfolio (Github/Stackoverflow/Linkedin).

Privacy policy

The controller of your personal data is Infinite Loop Bartłomiej Rogóż with its registered office in Kraków (Pl. Na Groblach 21, 31-101 Kraków). We respect the privacy of your personal data which are processed for the purposes of conducting the following recruitment process and in the case of granting the relevant consent – also for the purpose of conducting future recruitment processes. We have designated the Data Protection Officer (DPO), who can be contacted under

Data processing

By sending your application you agree to the processing of your personal data (in CV, cover letter, recruitment form, recruitment email) by Infinite Loop Bartłomiej Rogóż with its registered office in Kraków (Pl. Na Groblach 21, 31-101 Kraków) in order to participate in the recruitment process and in the future recruitment processes.

Our perks

  • Private Health Insurance

    Your health is important to us. Insurance provided by Allianz.

  • Multisport

    Membership to sport facilities all over Poland - we want you to stay fit.

  • Free Lunches

    Free, fresh, healthy lunches in our office.

  • Fresh Fruits

    Stay energized all day - fresh fruits and refreshments.

  • Team Retreats

    We work together, we play together.

  • Best Hardware

    We want you to work on the best equipment.

  • Growth Budget

    Subsidized conference and trainings.

  • Knowledge Sharing

    We share our experience - internal project and team knowledge sharing sessions.

  • Remote Work

    Remote work possible.

  • Flexible Working Hours

    We are flexible about your work time.