
Job Description
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:
- Architect and Develop: Design and build scalable backend infrastructure (AWS, Node, Python) optimized for handling millions of sessions per minute with minimal latency.
- Lead Feature Development: Own end-to-end delivery of key product features, from initial concept through deployment and support.
- Technical Roadmapping: Directly influence engineering strategy and decisions through close collaboration with the technical team.
- Partner Cross-functionally: Work closely with the rest of the team to deliver features aligned with business objectives.
- Cutting Edge Research: You also may assist the team in writing scientific articles summarizing our work for publication at top venues (e.g. Science, NeurIPS, ICML).
Who you are:
- 3+ years of experience in software development would be ideal.
- Strong backend web development skills with experience going from problem to deployment.
- Proficiency in both web development (Javascript, Node.js) and Python.
- Experience building cloud infrastructure (AWS, GCP, Azure) at scale.
- Excited by working on a small team where your contributions have an outsized impact.
- Strong quantitative background and an eagerness to learn. Research experience is a plus.
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.
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Job Details
- Category
- Mechanical
- Employment Type
- Full Time
- Location
- San Francisco, CA
- Posted
- Last updated
- Aug 26, 2026, 11:40 PM
- Compensation
- $120,000 - $150,000 per year
About Proof of Human
The Proof of Human is an API that invisibly detects bots and verifies human identity. Founded by 2 Princeton cognitive scientists, Proof of Human leverages world-class research with enterprise-grade accuracy and latency so websites can verify their human users friction-free.
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