Backend Engineer (Ruby), AI Engineering: Agent Observability

Experience building and maintaining production applications with Ruby on Rails, including work with background jobs, APIs, and data models.

Familiarity with Python backends and/or Vue frontends a plus.

Proficiency in designing or extending REST and/or GraphQL APIs with attention to scalability, maintainability, and backward compatibility.

Strong practical experience working with AI tooling on a daily basis.

Experience designing and shipping AI-powered backend features and integrations is a plus.

SQL skills and familiarity with relational databases such as PostgreSQL, including writing efficient queries and understanding data modeling.

Develop, ship, and maintain features and improvements for Agent Observability and Interactions across both the GitLab monolith backend and the AI gateway in a secure, well-tested, and performant way.

Collaborate with Product Management, UX, frontend, backend, and AI specialists to refine requirements and deliver high-quality, iterative product enhancements.

Design, implement, and review GraphQL, REST APIs and related backend logic, ensuring reliability, scalability, and clear contracts with frontend clients.

Improve and extend automated testing, including RSpec and other frameworks, to strengthen quality, reliability, and developer feedback loops.

Share standards, patterns, and learnings with other engineers, raising the bar for responsible AI integration and evidence-driven engineering across the team.

to troubleshoot production issues, contribute to root cause analysis, and enhance observability and resiliency

Agent Observability is a new functional team within the Agent Execution group. The team itself will initially consist of three engineers across AMER and EMEA timezones. The whole

Agent Execution group

consists of 8+ engineers. Beyond the Agent Observability team, Agent Execution consists of further teams focussed on agent tools and executing agents on GitLab’s runners. We’re partnering with teams both within the AI space as well as all over GitLab to ensure that the Duo Agent Platform can become the backbone of many AI features at GitLab.

How GitLab Supports Full-Time Employees

Benefits to support your health, finances, and well-being

Flexible Paid Time Off