Full Stack Engineer (Frontend Oriented) — Identity & Security
Core
Design, develop, and maintain login, registration, and account security applications across web and mobile clients, including an in-house AI facial recognition product for KYC verification.
Role type
Senior Full Stack Engineer (Frontend Oriented)
Builds
Web and mobile login/registration flows, AI facial recognition security product, authentication capabilities (passkeys/FIDO2), and shared security SDKs.
Domain
Fintech / Blockchain / Identity & Security
Deliverable
production ML models | product features
Required skills
React 18+, TypeScript, Node.js, server-side rendering, BFF layering, complex flow orchestration, modular architecture, unit and E2E testing, AI-assisted development tools, analytical troubleshooting
Preferred skills
Identity and authentication (WebAuthn/FIDO2/OAuth), AI model integration, cross-platform development (mini programs/webviews), shared library/SDK development, internationalization at scale
Technologies
React, TypeScript, Node.js, WebAuthn, FIDO2, OAuth 2.0, OIDC, JWT, Docker, Kubernetes
Responsibilities
Design and develop login/registration/security apps; build in-house AI facial recognition product; implement authentication capabilities (passkeys, MFA); own MFA orchestration layer; integrate AI model capabilities; maintain shared security libraries and SDKs; develop Node.js server-side layer; build BFF layer; implement platform-specific behavior; drive engineering quality and performance optimization.
Seniority
Senior, hands-on IC