Live opening · Posted 3 days ago

Senior Full Stack Engineer - Ruby on Rails + React/TypeScript

Mission AI Hire · Poland (Remote)
Linkedin Yes
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At a glance

The key details from the original listing.

Posted 3 days ago
CompanyMission AI Hire
LocationPoland (Remote)
Work modeYes
SourceLinkedin
Listed3 days ago

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About the role

Description supplied by the original job listing.

Senior Full Stack Engineer — Ruby on Rails + React/TypeScript
Fully remote within Europe | B2B
We're looking for a Senior Full Stack Engineer to join an established international B2B SaaS product company.
You'll join a product engineering team working on a complex SaaS platform with many third-party integrations. This is a hands-on role with end-to-end ownership, from backend APIs and frontend development to release and production.
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:
B2B contract
Fully remote work from anywhere in Europe
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
Interested? Apply via LinkedIn or send me a message to learn more about the product and the team.

Work arrangement
Yes

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