- As a Senior Backend Engineer on the Flow Components functional team, you’ll help build GitLab’s Flow Registry, which provides reusable primitives for agentic flows built on the GitLab Duo Agent Platform

- Your primary focus will be backend engineering in Python, using LangChain and LangGraph to develop secure, reliable, and scalable capabilities across the Duo Workflow Service and the GitLab monolith

- You’ll also work across the stack when needed, bringing familiarity with JavaScript and frontend development to support the official GitLab Duo Agent Platform client, Duo CLI, and advocate for a strong user experience

- Develop, ship, and maintain secure, well-tested, and performant Flow Registry features across the Duo Workflow Service and the GitLab monolith backend

- Collaborate with Product Management, User Experience, frontend, backend, and artificial intelligence specialists to refine requirements and deliver iterative product improvements

- Design, implement, and review GraphQL and REST application programming interfaces, related backend logic, and clear contracts with frontend clients

- Improve automated testing with RSpec and other frameworks to strengthen quality, reliability, and developer feedback loops

- Share standards, patterns, and lessons with other engineers to support responsible artificial intelligence integration and evidence-driven engineering

- Participate in Tier 2 on-call rotations, troubleshoot production issues, contribute to root cause analysis, and improve observability and resiliency

- Monitor the competitive landscape and help keep GitLab’s Flow Registry primitives and capabilities competitive within the agentic platform market

Benefits





- We offer benefits to manage your health, wealth, and well-being regardless of location

- Flexibility in schedule to be there for life’s important moments

- Equity compensation & Employee Stock Purchase Plan offered

- Generous Paid Time Off- Openness to learning and applying transferable skills from related technologies or domains

- Experience building and maintaining production Python applications with LangChain and LangGraph, including background jobs, application programming interfaces, and data models

- Strong SQL skills and familiarity with relational databases such as PostgreSQL, including productive queries and data modeling

- Comfort working across the stack in a mature codebase and addressing performance bottlenecks at the application and, when relevant, infrastructure layers

- Familiarity with JavaScript and Vue frontend development, with an understanding of user experience principles

- Experience designing and shipping artificial intelligence-powered backend features and integrations, with sound judgment about large language model limitations and responsible production use

- Clear written and verbal communication skills, including experience writing technical proposals and documentation and collaborating in a remote, asynchronous, cross-functional environment

- Proficiency in designing or extending REST and GraphQL application programming interfaces with attention to scalability, maintainability, and backward compatibility

- Studies have shown that people from underrepresented groups are less likely to apply to a job unless they meet every single qualification. If you’re excited about this role, please apply and allow our recruiters to assess your application

📌 Senior Backend Engineer (Agent Developer: Flow Components - Python) (Canada)
🏢 GitLab
📍 Canada