Senior Backend Engineer, AI-Driven Flow Registry

Jackalope Digital LLC; United Kingdom; Remote; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Flexible Paid Time Off

Equity Compensation

Employee Stock Purchase Plan

Growth and Development Fund

Parental Leave

Team Member Resource Groups

Job summary

GitLab is seeking a Senior Backend Engineer on the Flow Components team to build GitLab's Flow Registry, providing reusable primitives for agentic flows on the Duo Agent Platform. Your focus will be backend development 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

Qualifications

• Production Python applications built with LangChain and LangGraph.
• AI-powered backend features with responsible production use and awareness of LLM limitations.
• REST and GraphQL APIs designed for scalability and maintainability.
• Strong SQL and PostgreSQL data modeling and performance.
• Cross-stack work across backend and frontend to support the Duo Platform client.
• Clear written and spoken communication in a remote, asynchronous environment.
• Willingness to learn transferable skills across technologies.

Responsibilities

• Develop, ship, and maintain Flow Registry features across the Duo Workflow Service and GitLab monolith backend.
• Collaborate with Product Management, User Experience, frontend, backend, and AI specialists to refine requirements.
• Design, implement, and review GraphQL and REST APIs and contracts with frontend clients.
• Improve automated testing with RSpec and other frameworks to strengthen quality and feedback loops.
• Share standards, patterns, and lessons to support responsible AI integration.
• Participate in Tier 2 on-call rotations, troubleshoot production issues, and improve observability.
• Monitor the competitive landscape and keep Flow Registry competitive within the agentic platform market.

Skills

Python

LangChain

LangGraph

REST APIs

GraphQL

PostgreSQL

SQL

JavaScript

Vue

On-call

Remote collaboration

Tools

RSpec

Git

Duo Platform

Job description

GitLab is seeking a Senior Backend Engineer on the Flow Components team to build GitLab's Flow Registry, providing reusable primitives for agentic flows on the Duo Agent Platform. Your focus will be backend development 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