Lead Security Engineer – Identity & Authentication

Build the future of secure finance. Protect millions. Own the identity layer of Web3. We’re assembling a foundational team to redefine identity, authentication, and security across a global financial platform operating at the intersection of crypto, payments, and regulated infrastructure. This is not just another engineering role, this is your chance to own and architect mission-critical systems that secure millions of users managing digital and traditional assets worldwide. Responsibilities: • Architect and scale next-gen identity & authentication systems (passkeys, WebAuthn, MFA, biometrics) • Build secure-by-design infrastructure that balances UX with strict regulatory requirements • Design systems for fraud detection, compliance, and forensic visibility • Own integrations with identity providers, security vendors, and fintech ecosystems • Shape authentication strategies in regulated environments (SCA, KYC/AML, PSD2) • Play a key role in building and mentoring a high-performance team Requirements: • Engineers from crypto, fintech, or payments backgrounds who’ve worked at scale • Strong backend expertise in Node.js (TypeScript/JavaScript) or Golang • Deep understanding of OAuth2, OIDC, SAML, WebAuthn, FIDO2 • Experience designing secure, auditable systems in regulated environments • Exposure to fraud prevention, risk-based authentication, and compliance frameworks • A builder mindset—you’re excited to own systems end-to-end and influence strategy Why This Role Stands Out • Own one of the most critical layers in modern financial systems: identity • Work on cutting-edge authentication tech (passkeys, adaptive auth, biometrics) • Operate in a high-scale, multi-asset environment (crypto + fiat + beyond) • Be part of a company pushing on-chain finance into the mainstream • Opportunity to build a team from the ground up If you care about security, scale, and shaping the future of financial access—this is your role. Apply tot his job Apply To this Job