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Contrario

ActiveHiring

AI hiring platform powered by expert recruiters

W25·Winter 2025·B2B·San Francisco, CA, USA·Team of 15·Founded 2025

About

Contrario is an AI recruiting and hiring platform on a mission to help companies build generational teams. In the age of AI, the best teams are still built by the best people. Recruiting has become a zero-sum game where speed and quality decide who wins. Contrario is a network of expert recruiters supercharged by vertical AI agents purpose-built for hiring. Teams at Wispr Flow, Listen Labs, Slash, and 200+ of the fastest-growing companies use Contrario to power their hiring. In under six months, Contrario has crossed $6M in annualized revenue, paid out $1M+ to recruiters, and placed 150+ candidates — making it one of the fastest-growing AI recruiting platforms on the market. Backed by Y Combinator, Nexus Venture Partners, Goodwater Capital, and Inventum Ventures, alongside angels including David Chen (ex-HRT), Abhijeet Dwivedi (OpenAI), Hank Couture (DoorDash), and Jerry Cain (Stanford CS). Built by Stanford dropouts. Headquartered in San Francisco.

Founders

  • Arya Marwaha· Founder & CEO

    Founder & CEO at Contrario. Stanford BS (left MS early). Previously built an edtech startup to six-figure ARR, worked in product dev at BCG, and conducted research at Stanford HCI.

  • Aditya Sood· Founder

    Founder & CTO at Contrario. Stanford AI student turned dropout. Led NLP at NASA, published AI research in defense tech, researcher at Stanford Artificial Intelligence Laboratory (SAIL) x Anthropic lab.

Product launches · 1 launch

Change history · none recorded

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