Principal Security Engineer, Privy
Core
Define, build, and operate security programs for high-risk fintech and crypto infrastructure products including embedded wallets, authentication systems, and transaction flows.
Role type
Principal Security Engineer (IC)
Builds
Security architecture, controls, automation, and tooling for crypto custody-adjacent services and developer platforms.
Domain
Cryptocurrency, Blockchain, Fintech, Cloud Security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Security architecture, threat modeling, application security, cloud infrastructure security, incident response, cryptographic protocols, secure SDLC, vulnerability research, security automation, risk-based prioritization
Preferred skills
Cryptocurrency/blockchain security, bug bounty programs, cryptographic protocol review, internal security platform development, security community contributions
Technologies
AWS, SAST, DAST, OAuth, OIDC, WebAuthn, TypeScript, Python, Go, Rust, JavaScript
Responsibilities
Lead security architecture reviews for embedded wallets and key management; Conduct advanced threat modeling for blockchain and cloud systems; Identify and drive remediation of vulnerabilities across CI/CD and production services; Design scalable security controls and automation; Lead incident response and root-cause analysis; Evaluate security implications of new product launches; Develop security standards and engineering guidance; Mentor engineers on secure design and exploitability analysis.
Seniority
Principal, hands-on IC with strategic influence