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Senior Backend Engineer, Ruby on Rails

at GitLab

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Posted 3 months ago

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About the role

  • Senior Backend Engineer (Ruby on Rails) on GitLab's DevSecOps platform improving backend systems and AI integration. Collaborate cross-functionally to enhance knowledge management workflows.

Responsibilities

  • Lead backend architecture for Wiki, Pages, Markdown, and text editor capabilities used across GitLab.
  • Design and build AI agents that support planning and knowledge management workflows.
  • Architect MCP integrations that connect GitLab GraphQL APIs with external AI platforms and tools.
  • Drive improvements in reliability and performance across application code, PostgreSQL queries, Redis usage, and background jobs.
  • Develop and evolve GraphQL APIs that are clear for frontend engineers and support scalable product experiences.
  • Collaborate with frontend engineers, Product, UX, and Security to break down complex work into shippable iterations.
  • Mentor engineers through code review, technical discussions, and shared backend best practices.
  • Support incident response and production debugging, then turn learnings into lasting system improvements.

Requirements

  • Strong experience building and maintaining backend applications with Ruby on Rails, including core components such as ActiveRecord and Redis.
  • Experience designing and supporting GraphQL APIs with attention to usability, maintainability, and performance.
  • Knowledge of PostgreSQL query design, optimization, and scaling in high-traffic production systems.
  • Experience building or integrating AI agents, intelligent workflows, or related platform capabilities.
  • Familiarity with Model Context Protocol (MCP) or similar patterns for connecting APIs to external tools and platforms.
  • Ability to investigate production issues, debug complex systems, and improve reliability over time.
  • Experience leading technical decisions, mentoring engineers, and contributing to engineering standards across a team.
  • Clear communication and cross-functional collaboration skills, with openness to candidates who bring transferable experience from adjacent backend or platform work.

Benefits

  • Benefits to support your health, finances, and well-being
  • Flexible Paid Time Off
  • Team Member Resource Groups
  • Equity Compensation & Employee Stock Purchase Plan
  • Growth and Development Fund
  • Parental leave
  • Home office support

Job title

Backend Engineer

Job type

Full Time

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Tech skills

GraphQLPostgresRedisRubyRuby on Rails

Location requirements

RemoteNorth America

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