Senior Backend Engineer (Ruby on Rails) – Plan: Knowledge

Description

GitLab — the intelligent orchestration platform for DevSecOps trusted by 50M+ registered users, 50%+ of the Fortune 100, used by organizations worldwide to ship better and more secure software faster — is hiring a Senior Backend Engineer for the Plan: Knowledge group, working fully remotely from anywhere in the Americas, APAC, or EMEA. GitLab is fully remote-first and hires in countries around the world. You will help shape how teams plan, document, and share knowledge in GitLab by building and improving the backend systems behind Wiki, Pages, Markdown, and text editors, while designing AI-powered capabilities including the planner agent and Model Context Protocol (MCP) integrations that connect GitLab's GraphQL APIs to external AI tools. AI fluency is required — all GitLab team members are expected to incorporate AI into their daily workflows as a core productivity multiplier. Requirements: strong Ruby on Rails experience (ActiveRecord, Redis); GraphQL API design and support; PostgreSQL query optimization at scale; experience building or integrating AI agents; MCP or similar pattern familiarity. Benefits: flexible PTO, equity/ESPP, Growth & Development fund, parental leave. Salary not disclosed (GitLab uses a compensation calculator based on location).

Required Skills