android developer

Mid/Senior Ruby on Rails Developer

FiveDotTwelve is a team of developers and mobile application specialists. With an office in the heart of Lodz, we work for numerous clients from all around the globe: USA, UK, Norway, the Netherlands, Australia, Singapore and Poland, of course.

We’re expanding our team and looking for a Ruby on Rails developer who would actively produce and develop our projects. If you’re a person who places importance on quality and wants to have an impact on your work environment, let us hear from you.


Salary: 16000-25000 PLN net + VAT (B2B)


Join the team if you

  • have strong knowledge of Ruby on Rails
  • have experience with relational and NoSQL databases
  • have experience with AWS
  • have experience with CI/CD
  • have experience in writing tests
  • know GIT very well
  • are eager to learn new solutions and approaches
  • are eager to share and learn new knowledge



  • coding apps for our clients
  • reviewing other developers’ work
  • cooperating with designers
  • cooperating with testers
  • taking part in Scrum meetings
  • direct communication with clients


Perks & benefits

  • flexible working hours
  • full remote work possibility
  • great work atmosphere
  • office in the city centre 
  • FitProfit card
  • private health insurance
  • Apple laptop and phone for working
  • funded trainings and workshops
  • education budget
Recruitment process consists of two stages. During the first one we check technical knowledge (45 mins) and, if necessary, ask for completing a programming task. The second stage is a discussion about terms of cooperation (30 mins).

Why you should work with us

We avoid outsourcing

Making a good team and solving problems together are our main priorities.

You will not find big corporation rules here

We care about sustainable growth and development that boost our solutions, and values for which we are appreciated by our clients are constantly nurtured.

Flexible working time

Do you need to go out in the middle of the day? Prefer to start working at 6 or maybe 11? No problem, working hours depend on you.

Great working atmosphere

You can relax in the office playing foosball or some PS4 games, and after work we’re up for popping out for pizza or a beer.

We like to develop our skills and share knowledge

Each person on the team has their own education budget and has access to the book library updated on request.

Would you like to join us?