Senior Full Stack Engineer Ruby on Rails + React/TypeScript

• Candidate’s Location: European Union (EU)!
• Format: Remote
• Employment Contract: B2B
• Salary Range: To be discussed during the interview
  We're looking for a Senior Full Stack Engineer to join an established international B2B SaaS product company.
  ✍️What you'll work on:
  - Build features across the stack using Ruby on Rails and React/TypeScript
  - Build and evolve GraphQL APIs
  - Develop and maintain integrations with third-party platforms
  - Own features end-to-end: from technical and product decisions to release and production
  - Take part in architecture and refactoring decisions
  - Work with a mature production system and help it grow
  👀What we're looking for:
  - Strong commercial experience with Ruby on Rails
  - Strong React + TypeScript
  - Solid PostgreSQL knowledge, including schema design and query optimization
  - Hands-on experience building and working with GraphQL
  - Experience integrating third-party APIs
  - Strong engineering practices: testing, code reviews and documentation
  - Ability to take ownership and work independently in a distributed team
  - Languages:
  English - B2, used for documentation, tickets and company-wide communication
  Russian — fluent, used for day-to-day communication within the engineering team
   

👍Nice to have:

Go, Sidekiq or similar background job systems, experience breaking down monolithic applications into services, feature flags, OAuth and social media API integrations.

✅What we offer:

• Flexible working hours
• 28 days of paid vacation
• Regular performance and compensation reviews
• International B2B SaaS product
• Strong product and engineering team

Hiring process: Recruiter intro → 3 interviews with the team → offer