We are seeking an experienced Senior iOS Engineer to design, develop, and support next-generation authentication capabilities for enterprise mobile applications. The engineer will be responsible for implementing FIDO2, WebAuthn, Passkeys, Biometrics, YubiKey, and TOTP-based authentication on iOS platforms while integrating with the Ping Identity ecosystem , including PingFederate, PingOne, and PingID. The ideal candidate will have deep expertise in iOS native development, mobile security, authentication standards, and modern passwordless authentication technologies. Ping Identity supports FIDO2 authentication using passkeys, platform authenticators, biometrics, and FIDO-compatible security keys. Preferred Experience 7+ yearsFull-stack development experience. 5+ years Identity and Access Management experience. 3+ years FIDO2 and Passwordless Authentication implementation. Required i

OS Skills:

Native iOS Development Expert-Level Experience Swift, SwiftUI, UIKit, Xcode, Apple Developer Ecosystem Application Architecture Experience with: MVVM Clean Architecture Dependency Injection Modular Application Design Mobile API Integration REST APIs JSON Processing OAuth APIs Certificate-based communication Secure network transport