Mission Hire

full stack developer for a B2B SaaS product

In short

Senior full-stack developer role at MissionHire, an established international B2B SaaS product company, building features with Ruby on Rails, React/TypeScript, and GraphQL APIs, plus third-party integrations. Requires strong ownership skills, work in a distributed remote engineering team, English B2 and fluent Russian. Fully remote, B2B contract.

About
MissionHire is an established international B2B SaaS product company.
Responsibilities
•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
Requirements
•Strong commercial experience with Ruby on Rails
•Strong React and TypeScript skills
•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 in testing, code reviews, and documentation
•Ability to take ownership and work independently in a distributed team
•English B2, used for documentation, tickets, and company-wide communication
•Fluent Russian, 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
Conditions
•B2B contract
•Flexible working hours
•28 days of paid vacation
•Regular performance and compensation reviews
•Strong product and engineering team

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