Remote Senior Ruby Backend Engineer - AI-Driven Agents

Triwill Group; United Kingdom; Remote; GBP 90,000 - 120,000; Full time

Job summary

GitLab is seeking a Senior Software Engineer to own end-to-end features within the DAP Repository Flows on the Duo Agent Platform. You will design and deliver autonomous agents and onboarding flows that empower customers and power AI-driven automation on codebases.

The role requires strong Ruby/Rails experience, a track record of shipping features independently, and comfort with async-first collaboration in a distributed team. Remote-first across the United Kingdom.

Qualifications

• 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.

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.

Skills

Ruby

Ruby on Rails

LLMs integration

Agentic systems

Async collaboration

Job description

GitLab is seeking a Senior Software Engineer to own end-to-end features within the DAP Repository Flows on the Duo Agent Platform. You will design and deliver autonomous agents and onboarding flows that empower customers and power AI-driven automation on codebases.

The role requires strong Ruby/Rails experience, a track record of shipping features independently, and comfort with async-first collaboration in a distributed team. Remote-first across the United Kingdom.