Backend Engineer (Ruby), AI Engineering: Agent Foundations
Job description
An Intermediate Backend Engineer role in GitLab's Agent Foundations stage, building the foundations for GitLab's agentic AI experiences across the software delivery lifecycle. The engineer develops and maintains features for the Duo Agent Platform in the GitLab monolith (Ruby) and the AI Gateway (Python).
At a glance
- Employment
- Full-time · Employee (employment agreement)
- Work mode
- Remote
What you'll do
- Develop, ship and maintain features for the Duo Agent Platform in the GitLab monolith (Ruby) and, where needed, the AI Gateway (Python), keeping them secure, well-tested and performant
- Work with Product Management, UX, frontend, backend and AI specialists to refine requirements and ship improvements in small iterations
- Design, implement and review GraphQL and REST APIs and the backend logic behind them, with reliable, scalable and clear contracts for clients
- Improve and extend automated testing (RSpec and other frameworks) to strengthen quality and give developers faster feedback
- Share standards, patterns and learnings with other engineers to raise the bar for responsible AI integration and evidence-driven engineering
- Join Tier 2 on-call rotations to troubleshoot production issues, contribute to root cause analysis, and improve observability and resiliency
- Keep an eye on the competitive landscape to help keep GitLab's agent platform best-in-class
What we're looking for
- Experience building and maintaining production Ruby on Rails applications, including background jobs, APIs and data models
- Comfort working across the stack in a mature codebase
- Skill in designing or extending REST and/or GraphQL APIs with attention to scalability, maintainability and backward compatibility
- Real enthusiasm for AI and hands-on experience using AI tools in your daily work
- Proven SQL and experience with relational databases such as PostgreSQL, including writing efficient queries and data modeling
- Experience finding and fixing performance bottlenecks in applications
- Clear written and verbal communication, including technical proposals and documentation, in a remote, async, cross-functional team
- Openness to learning and to applying skills from related technologies or fields
Nice to have
- Familiarity with Python backends and/or Vue frontends
- Experience designing and shipping AI-powered backend features or integrations
Your team
Agent Foundations stage
Builds the foundations for GitLab's agentic AI experiences, providing the platform, catalog and execution features that help teams deliver resilient agents and flows to customers. The stage has three groups: Agent Developer, AI Catalog and Agent Execution.
Benefits
- Flexible Paid Time Off
- Team Member Resource Groups
- Equity Compensation & Employee Stock Purchase Plan
- Growth and Development Fund
- Parental Leave
Apply
About GitLab
The intelligent orchestration platform for DevSecOps
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab to ship better, more secure software faster.
Key facts
- DevSecOps software
- More than 50 million registered users
- More than 50% of the Fortune 100 trust GitLab
- All team members are expected to incorporate AI into their daily workflows
- All roles are remote; some roles may carry specific location-based eligibility requirements