Evaluations Engineering - Member of Technical Staff

Why this role

Simile builds foundation models of human behavior so companies can simulate how real populations will respond to products, pricing, messaging and policy before they decide. Founded by Stanford researcher Joon Sung Park, whose generative agents work became the Smallville simulation, it works with CVS Health, Wealthfront and Gallup. Five months after a $100M Series A led by Index Ventures, it raised a $200M Series B led by Greenoaks at a $2B valuation in July 2026 and is hiring across research, engineering, design and deployment in San Francisco and New York.