Senior Backend Engineer
Core
Design and scale backend architecture for an AI concierge powering live conversations, catalog tools, and order management across hundreds of Shopify storefronts.
Role type
Senior Backend Engineer (AI/Platform)
Builds
Agent runtime, Shopify infrastructure (Admin API, webhooks), data architecture, billing/usage metering, and observability systems.
Domain
E-commerce (Shopify) + Artificial Intelligence (LLM agents, RAG)
Deliverable
production ML models | product features | infrastructure
Required skills
Node.js, TypeScript, MongoDB, Postgres, Redis, message queues (BullMQ), API design, system scaling, observability, incident response, code quality, mentoring
Preferred skills
Shopify Admin APIs, LLM systems (agent loops, tool calling, RAG), GraphQL at scale, multi-tenant SaaS architecture
Technologies
Node.js, TypeScript, MongoDB Atlas, Postgres, Redis, BullMQ, Shopify Admin API
Responsibilities
Own backend architecture end-to-end; design and scale agent runtime; build reliable Shopify infrastructure; lead data architecture decisions; drive observability and reliability; build conversation-to-order attribution and billing; set code quality standards and mentor engineers.
Seniority
Senior, hands-on IC with architecture ownership