Senior Frontend Engineer

1 week ago


Dubai, Dubai, United Arab Emirates dc72a6cd-72bc-46a7-8e91-8aa5cf5aafca Full time $100,000 - $180,000 per year

Develop and maintain UI screens with a focus on usability, performance, and aesthetics.

Collaborate with Product Managers and Designers to build intuitive, UX-friendly interfaces.

Work on Auth SDK Platform - build JavaScript/TypeScript SDK libraries (npm packages) for frontend teams, implement Passkey/WebAuthn integration, crypto operations (Web Crypto API, HSM), anti-fraud mechanisms (JS Challenge, mTLS, device fingerprinting), and unify auth for 15+ teams.

Contribute to Consent Platform integration- integrate platform widgets (full-screen and embedded), replace native screens, maintain UI/UX flows, and ensure regulatory compliance.

Work on B2B Auth and Trusted Device - develop enterprise authentication flows, integrate Trusted Device with cryptography, HSM research for PIN security, and device fingerprinting for SAMA compliance.

Ensure web applications meet non-functional requirements such as performance, scalability, and security.

Contribute to technical design decisions and support the delivery of midsize to large projects.

Take ownership of selected applications, including post-launch support

Desired Candidate Profile

Strong experience with JavaScript, TypeScript, and React.

Solid understanding of frontend development, from architecture to deployment.

Hands-on experience with tools and frameworks such as Redux-Saga, Material UI, Jest, and Webpack.

Experience with SDK development - building JavaScript/TypeScript libraries (npm packages), API design, versioning, backward compatibility.

Knowledge of Passkey/WebAuthn - WebAuthn API, biometric authentication, FIDO2 standards.

Understanding of cryptography - Web Crypto API, HSM integration, crypto operations, security best practices.

Experience with anti-fraud mechanisms - JS Challenge, mTLS, device fingerprinting, bot detection.

Understanding of widget/component integration - integrating third-party widgets, platform components.

Platform mindset - building systems for other systems, API design, developer experience.

Excellent communication skills and a collaborative mindset.


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