Note: The job is a remote job and is open to candidates in USA. GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. As a Senior Backend Engineer, you will shape how teams plan and document knowledge in GitLab, building backend systems and AI-powered capabilities.

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

Skills

• 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

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