Founding Member of Technical Staff

Proof of Human · San Francisco, California · Posted 2026-09-11

Apply on Proof of Human's site

About Proof of Human ------------------------

Proof of Human is a research and deployment company building the proof-of-human layer in digital identity. Proof of Human seeks to produce high-impact research and to productize this research in bot detection, fraud prevention, and continuous authentication.

Proof of Human was founded in 2023 by two Princeton PhD scientists – Mayank Agrawal and Matt Hardy. They have published in Science, PNAS, Nature Human Behaviour, and Psychological Review and are backed by Y Combinator and Brickyard Ventures.

About the role ------------------

Proof of Human provides frictionless, continual human verification. We’re looking for an exceptional engineer to join our team. This engineer will work on full-stack web development and research, with a focus on backend and cloud infrastructure.

What you’ll do: -------------------

Who you are: ----------------

If you’re interested in joining a rapidly growing, cutting-edge AI security company that is protecting the future of online integrity, we’d love to talk.

About Proof of Human

continuous human verification without CAPTCHAs or user friction

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Updated 2026-10-11.