Senior Product Security Engineer — Auth & Data Protection

Collective is hiring a Senior/Staff Product Security Engineer to own the authentication and authorization architecture of our member platform. You will ship production-grade security features, including MFA, session management, and access controls, while guiding security-critical changes with RFCs and design reviews.

You will work on protecting member data with encryption, key management, and auditing, and you will lead threat modeling efforts across identity and data-protection systems as the