Senior Product Security Engineer

Benefits

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Mental health support

Offered From the posting source checked Jun 20, 2026

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Role

Role function

Security From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Schedule

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About this role

Senior Product Security Engineer San Francisco, California, United States About Persona Persona is the configurable identity platform built for businesses in a digital-first world. Verifying individuals and organizations is harder - but more important - than ever, with AI enabling fraudsters to launch sophisticated accounts at scale and regulations evolving rapidly. We've built Persona to support practically every use case and industry - that's why we're able to serve a wide range of leading companies. For example, Reddit relies on Persona for age assurance and verification to comply with online safety regulations, protecting younger users while maintaining a seamless experience. Meanwhile, OpenAI relies on Persona to keep bad actors out, protecting one of the world's most powerful AI platforms from large-scale abuse in a time when AI is reshaping the way we work and live. We're growing rapidly and looking for exceptional people to join us! About the Role Persona builds identity verification infrastructure where security isn't a layer we add later, it's core to everything we ship. When security fails at most companies, systems go down. At an identity verification company, real people's identities are compromised. As AI tooling expands what engineers can build and how fast they can build it, the attack surface grows with it. Someone proactively needs to own that problem. What you'll work on This is a product security role embedded in a generalist security team. Right now that means: - Drive the full vulnerability lifecycle and how Persona responds to external threats. - Design

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