Principal Engineer, AI Developer Platform

About the Role

Shopify is looking for a Principal Engineer to lead the technical architecture of our agent-readable Shop Builder platform. This role involves defining APIs, designing interfaces for LLMs and developers, and leading the delivery of a server that enables AI agents to build, deploy, and operate Shop Builder storefronts end-to-end.

Responsibilities

• Own the technical architecture of the agent-readable Shop Builder platform: which APIs to expose, in what shape, through which surfaces (REST, SDK, MCP, CLI).
• Define the interface contracts that LLMs and developers interact with — React component APIs, custom block schemas, theme tokens, data binding formats — and maintain them with the rigor of a public API.
• Design and lead delivery of the MCP server that allows AI agents (Claude Code, Cursor, etc.) to build, deploy, and operate Shop Builder storefronts end-to-end without the editor in the loop.
• Archit...