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Senior Ruby On Rails Engineer (freelance)
  • Warsaw
Senior Ruby On Rails Engineer (freelance)
Warszawa, Warsaw, Masovian Voivodeship, Polska
BLAZITY sp. z o.o.
5. 9. 2025
Informacje o stanowisku

technologies-expected :


  • Ruby on Rails
  • RabbitMQ
  • Kafka
  • PostgreSQL

technologies-optional :


  • AWS
  • CI/CD

about-project :


  • We’re looking for a Senior Ruby On Rails Engineer for a freelance engagement. The initial phase is a short-term assignment, approximately one week of work, focused on a discovery workshop and audit of the current system. This role could evolve into a long-term collaboration.
  • About the Discovery Workshop
  • This engagement will kick off with a discovery workshop aimed at auditing the current Ruby on Rails setup. The objectives of this workshop are to:
  • Demonstrate technical maturity and understanding of the problem
  • Present a clear modernization roadmap for RoR and Infra
  • Win the deal for the full implementation phase
  • The selected architect will play a key role in leading the workshop, drawing the roadmap, and ideally supporting the next-stage recruitment for implementation roles if the project proceeds.

responsibilities :


  • Co-lead the discovery workshop alongside internal and Blazity team members
  • Audit existing Ruby on Rails applications
  • Develop and present a comprehensive technical roadmap covering upgrading Ruby and Rails versions
  • Support Blazity in strategic positioning for the implementation phase
  • Optionally assist in recruitment or team planning for the long-term build-out phas

requirements-expected :


  • Proven experience as a Senior Ruby On Rails Engineer in a consulting role
  • Deep understanding of Rails architecture, especially in large/multi-app environments
  • Strong track record in:
  • Upgrading legacy Rails applications
  • Architecting scalable and maintainable systems
  • Defining and communicating technical roadmaps
  • Excellent communication skills with stakeholders and technical teams
  • Ability to support or advise on technical team composition and recruitment
  • Freelance availability for an initial 1-week engagement, with interest in possible long-term cooperation

offered :


  • What Makes Us Special?
  • ? Our team has a genuine impact on the company’s decisions and direction.
  • ✨ No bureaucracy – we keep things simple and efficient.
  • ? Remote work from Poland
  • ⏳ Flexible working hours – fit your schedule to your life.
  • ? Fun social events to connect with your teammates.
  • ? We value feedback and foster an open, supportive environment.

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