A Member of Technical Staff role at Proof of Human is a full-time, San Francisco-based engineering position focused on full-stack web development with a strong backend and cloud-infrastructure emphasis. The position offers $120K-$150K salary and 1-3% equity, requires US-eligible candidates, and expects ownership of architecture and feature delivery for a system designed to handle millions of sessions per minute with minimal latency. Key responsibilities include designing scalable backend systems (AWS, Node.js, Python), leading end-to-end product features, shaping technical roadmap decisions, partnering across the small team, and contributing to cutting-edge research and publications (examples cited: Science, NeurIPS, ICML).
Proof of Human builds a continual human-verification layer for digital identity aimed at bot detection, fraud prevention, and continuous authentication. Founded in 2023 by two Princeton PhD founders with publications in top journals and backed by Y Combinator (S23) and Brickyard Ventures, the startup is early-stage (team of four) and research-driven. Ideal candidates have strong backend web experience, proficiency in JavaScript/Node and Python, cloud-at-scale experience (AWS/GCP/Azure), a quantitative mindset, and an appetite for high-impact work on a small team; research experience is a plus.
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