Senior Backend Engineer AI Engineering AI Coding

Open 17d

You will design and build the trigger system that connects GitLab and third-party events to AI-powered Duo Flows. You will contribute to the event platform, build for high availability and throughput, work in the Rails monolith, influence architecture, collaborate across functions, and participate in on-call rotations.

Responsibilities

Design and build the trigger system connecting GitLab and third-party events to AI-powered Duo Flows
Contribute to the broader event platform
Architect systems for high availability and throughput at scale
Work within GitLab's Rails monolith
Propose iterative solutions to complex technical problems across a multi-service environment
Collaborate with teammates, the product manager, and designer to shape trigger-system capabilities
Partner with Duo Agent Platform teams to integrate triggers and events with the broader agent ecosystem
Participate in Tier 2 and Tier 3 on-call rotations to troubleshoot production, security, and urgent engineering issues

Requirements

Deep experience with Ruby and Rails
Experience integrating large language models into user-facing tools
Experience designing and operating large-scale systems with high availability and throughput
Experience with agentic systems and development
Ability to work in evolving problem spaces and learn new AI capabilities quickly
Strong written communication skills for asynchronous remote work