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.