As an AI Product Engineer, you'll build and scale AI-powered features for Notion's Custom Agents, collaborating with teams to enhance user experience and implementing cutting-edge technologies.

Lead UX research to define and scale evaluation of Notion's AI experiences. Create reusable rubrics and measurement approaches, run longitudinal and feature-specific studies, identify failure modes and recovery behaviors, and operationalize evaluation with product, design, engineering, and data science partners to improve model output quality and end-to-end user experience.

Build and scale core AI platform primitives and integrations to enable rapid, safe AI product development. Own infrastructure, shared libraries, APIs, observability, and reliability systems; operate production AI systems, debug provider/model behavior, and implement versioning, rollout controls, and quality gates to minimize user disruption.