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Senior Backend Engineer (Ruby on Rails), Plan: Knowledge at Gitlab
GitlabRemote, Americas; Remote, APAC; Remote, EMEA·22h ago
SeniorFull-timeRustRailsPostgreSQLRedisGraphQLGitAIDevOps
Salary Range
$132,600 - $179,400 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are looking for a Senior Backend Engineer to join the Plan: Knowledge group at GitLab. In this role, you'll help shape how teams plan, document, and share knowledge in GitLab by building and improving backend systems behind Wiki, Pages, Markdown, and text editors. You'll also design AI-powered capabilities such as the planner agent and Model Context Protocol (MCP) integrations.
Key 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
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
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