Senior Product Engineer - AI

Senior AI Product EngineerSeed-stage AI startup | San Francisco$225K–$300K + equityOn-site 5 days a weekThe opportunityThis is a chance to join an AI-native product at real inflection point, going from zero to thousands of users in weeks and now growing 30–50% week over week through word of mouth, with strong daily engagement and retention.The company has raised $18M in seed funding and is building a proactive AI assistant that actually does work for users rather than just responding to prompts.The founding team has scaled products from $10M to $300M+ ARR and previously built and exited companies to Dropbox and Google.What you’ll doOwn and ship user-facing features end-to-end across the full stack, from idea → launch → iterationDrive product thinking, working closely with founders, design, and customers to shape what gets builtBuild AI-powered experiences used daily by real usersOperate in fast feedback loops, shipping quickly and iterating based on usageTake high ownership over product quality, direction, and executionWhat they’re looking for4+ years building and shipping products, ideally in early-stage or high-growth startupsProven experience owning features in production with real usersStrong product intuition combined with full-stack capabilityComfortable using AI-native tools to move faster and build more efficientlyThrives in high-ownership environments with speed, ambiguity, and minimal structureWhy joinYou’ll be joining a small, high-calibre team at an early but already proven stage, with real traction, strong compensation and meaningful equity, and the opportunity to play a defining role in how people interact with AI on a daily basis.