About Contrario Contrario (YC W25) is building the modern, AI-powered recruiting marketplace, connecting elite startup recruiters with fast-growing companies through AI-powered matching and operational tools. We’ve raised $2.5M from Y Combinator and Nexus Venture Partners and angels from Hudson River Trading, Stanford, and OpenAI . Our customers include 50+ YC and venture-backed startups across engineering and GTM roles. The Role We're looking for our first in-person engineering hire : a founding engineer who will shape the technical foundation of Contrario. You'll be building AI-powered s...