Senior Staff Software Engineer Mobile Core Account and Risk

You will own account-system subsystems including authentication, MFA, Passkey and WebAuthn, session and device trust, registration, and recovery. You will design secure mobile flows, build mobile defenses with risk and security teams, create AI-native engineering workflows, review designs and code, and mentor engineers. At Staff level, you will set technical direction across the account platform.

Responsibilities

• Own authentication, MFA, Passkey, session, device trust, registration, and recovery subsystems
• Design secure and low-friction mobile account flows
• Partner with risk and security teams to ship mobile defenses
• Build automated AI-native development workflows and harness systems
• Conduct design and code reviews
• Mentor engineers
• Set technical direction across the account platform at Staff level

Requirements

• Deep hands-on experience building native iOS and/or Android applications
• Experience with cross-platform or shared business-logic layers
• Fluency in Swift, Kotlin, Rust, Objective-C, Java, or JavaScript
• Architecture experience with large-scale mobile applications
• Experience with OAuth, OIDC, MFA, secure storage, and biometrics
• Experience with Passkey, WebAuthn, or FIDO2 is advantageous
• Understanding of threat modeling and the mobile attack surface
• Hands-on experience building AI development workflows and pipelines
• Experience with fraud, risk, cryptography, fintech, or regulated industries is advantageous

Benefits

• L&D programs
• Education subsidy
• Team building programs
• Company events
• Wellness allowances
• Meal allowances
• Comprehensive healthcare schemes for employees and dependants