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Senior Ruby on Rails Developer @ Knowde

Rzeszów, Białystok, San Jose (remote work possible) full-time

B2B: 16000 - 22000PLN net/month
Bonuses: shares
Main Role: Ruby Developer 
Must-have: Git  SQL  Ruby on Rails  Ruby 
Nice-to-have: JIRA  Sinatra 


  • As a small, remote team you’ll be empowered to work directly with leadership and the product team to make decisions about your code and the future of the product.
  • Be a trailblazer by contributing to the build of a complex ecommerce marketplace, the first of its kind in the Chemicals space.
  • Have a strong emphasis on shipping features quickly without sacrificing code quality.
  • Own your projects from software design to implementation and deployment.
  • Take pride in your work by implementing cutting-edge technologies and writing state-of-the-art code.
  • Emphasize simplicity and pragmatism, which is reflected in your elegant code that other developers emulate


  • Languages: Ruby
  • Frameworks: RoR / Sinatra
  • Databases: PostgreSQL / MySQL / MongoDB / Redis / S3



  • Very good knowledge of Ruby language and Rails framework
  • Great knowledge of SQL
  • Good knowledge of Sinatra is a plus
  • Ability to take tasks from requirements to deployment quickly and independently
  • Ability to function as a project leader as well as an individual contributor
  • Ability to work within distributed, multidisciplinary teams
  • Design and build scalable, high-availability mission-critical systems and APIs
  • High bar for quality and a phenomenal attention to detail
  • Working knowledge of deployment process (Capistrano), user authentication and authorization (Devise)
  • Ability to properly design and implement clear and scalable project structure
  • Experience with test-driven development. Ability to create and maintain useful test suite.


  •  English command – min. B2, upper intermediate
  •   3+ years of building commercial applications
  •   Experience in web service deployments


  • Location: Rzeszów, Poland or remotely
  • Flexible working hours and the possibility to work remotely
  • Strong team and very interesting product with innovative technologies
  • Possibility to learn and develop

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