Senior Ruby on Rails Developer

14,000 - 24,000 PLN net
Once you join our software team as a Senior Ruby on Rails Developer you will be responsible for writing server-side web application logic within the Rails framework. You will develop backend components, connect the application with the other (often third-party) web services, and support frontend developers by integrating their work with the application. You will also contact the client and propose technological solutions responding to business needs.


Must have:

  • At least 3 years working in a similar position
  • Ruby on Rails
  • Ruby
  • PostgreSQL, Redis
  • Git
  • Rspec
  • Experience with CI/CD
  • Strong software architecture & data modelling skills 
  • Strong attention to details
  • Good communication skills
  • Self-organization skills
  • Mentoring skills 
  • English min. B2

Nice to have:

  • Elixir
  • JavaScript / ECMAScript 6, React / AngularJS 
  • Linux
  • Neo4j
  • AWS
  • Leadership skills
  • Project management skills


  • Convert business requirements into technical solutions
  • Active participation in the development of the project
  • Build reusable code for future use
  • Optimize code for maximum performance and scalability
  • Design software architecture and data modelling 
  • Manage, monitor and troubleshoot production grade web applications
  • Collaborate with team members
  • Provide code review
  • Mentoring

How we work

We're a group of about 20+ ambitious software developers, web designers and testers working in small project teams of max 5 persons. Each team has a Project Leader, who is also a developer and is responsible for the daily contacts with a client. We have a flat company structure which means we don’t have project managers or other people who would manage our tasks.

This approach lets us be more flexible and closely cooperate with each of our clients. The team advises on available solutions, presents pros and cons, and is able to make a quick decision with a client. The team has autonomy on how to work on a project, plan resources and calculate time needed to complete the project. 

Everyday we use

  • Github / Bitbucket
  • Jira / Trello
  • Confluence
  • Miro
  • Figma 
  • CircleCI
  • Google Cloud, AWS, Heroku, HubSpot 
  • Keeper
  • Postman
  • Slack, Zoom, Google meet

Our offer

  • Salary 14,000 - 24,000 PLN net (B2B)
  • Contract type All types possible
  • Start at As soon as possible
  • Remote work 100% possible

Additional perks

  • Private healthcare
  • English lessons
  • Resources to learn
  • Flexible work schedule

Career growth

Senior: 14,000 - 19,000 PLN net (B2B)

Expert: 21,000 - 24,000 PLN net (B2B)

Recruitment process

  1. CV review - give us a few days to review your application.
  2. Interview - we interview you remotely. During a ~2 hours conversation, we verify your soft and technical skills. 

  3. Paid trial day - for one day we’ll invite you to work together so we get to know each other before making the final decision. We’ll prepare a special task and give you the whole day to work on it. During the trial day you’ll also get a chance to meet your future team members. 

  4. Welcome to the Chimera team!
Testimonial author avatar

Marika Kowalska
HR Specialist

Apply now