Backend Engineer (Ruby), AI Engineering: Agent Observability at GitLab

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GitLab is hiring a backend engineer (ruby), ai engineering: agent observability focused on Ruby backend and observability for AI agents.

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Location: Remote
Work arrangement: remote
Technologies: Python, SQL

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Role overview

Build the Ruby-based foundation for GitLab Duo AI agents, including how agents are created, connected to tools and observed across software delivery. The listing is remote in Canada, Poland or the United Kingdom.

Employer-listed location: Remote, Canada; Remote, Poland; Remote, United Kingdom.

Responsibilities

Develop Duo Agent Platform features in Ruby and, when needed, Python AI Gateway; design REST and GraphQL APIs, strengthen RSpec tests, support production on-call and improve observability and resilience.

Qualifications

The employer seeks production Ruby on Rails, APIs, SQL and PostgreSQL, performance troubleshooting and experience applying AI tools; Python and Vue experience are useful.

Technology in this role

Python: Develop Duo Agent Platform features in Ruby and, when needed, Python AI Gateway; design REST and GraphQL APIs, strengthen RSpec tests, support production on-call and improve observability and resilience.
SQL: The employer seeks production Ruby on Rails, APIs, SQL and PostgreSQL, performance troubleshooting and experience applying AI tools; Python and Vue experience are useful.

How to apply

Check the original posting to confirm the role is still open before applying.

Check employer posting

Source checked: 2026-11-08

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