Senior Backend Engineer (Ruby), AI Engineering: DAP Repository Flows

GitLab is seeking a Senior Backend Engineer (Ruby) to join the AI Engineering team, specifically the DAP Repository Flows team. The team owns two areas within GitLab's Duo Agent Platform (DAP): DAP onboarding and repository/background flows.

As a Senior Software Engineer, you will own features end to end, from design through delivery, building agentic experiences on top of the Duo Agent Platform.

Responsibilities:

• Own the design and delivery of features end to end across DAP onboarding and repository/background flows.
• Build autonomous and scheduled agents that operate on customer codebases, building on top of the Duo Agent Platform.
• Improve the DAP onboarding experience so customers can get a project configured and productive quickly.
• Collaborate with engineers across the DAP organization on shared interfaces and patterns.
• Review designs and code, and contribute to the team's technical quality.
• Contribute to a culture of autonomy, ownership, high context sharing, and async-first collaboration.

Requirements:

• Strong, hands-on experience with Ruby and Ruby on Rails in production systems.
• Experience integrating LLMs into products (product integration, not ML model training).
• Experience building agentic systems: autonomous or semi-autonomous agents that take actions on a user's behalf.
• A track record of designing and shipping features independently in a collaborative team.
• Strong written communication and the ability to operate effectively in a distributed, async-first environment.

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