Senior IOS Engineer (Duo)
Core
Lead complex Duo Mobile iOS capabilities for cloud-delivered multi-factor authentication, serving millions of users and processing over 100 million pushes monthly.
Role type
Senior IC iOS Engineer (Mobile)
Builds
Duo Mobile app and supporting services for Cisco's security platform
Domain
Cybersecurity / Authentication / Mobile
Deliverable
production ML models | product features
Required skills
Swift, Objective-C, iOS SDK, SwiftUI, UIKit, automated test design, mobile API integration, AI coding assistants
Preferred skills
Swift concurrency, application lifecycle, UI layout, animation, cybersecurity, cryptography, Keychain, secure data persistence, advanced networking, WCAG/ADA accessibility, technical leadership
Technologies
Swift, Objective-C, SwiftUI, UIKit, iOS SDK
Responsibilities
Own outcomes from ambiguous requirements through architecture, implementation, tests, rollout, telemetry, and production support; raise quality through durable design and rigorous review; partner across product, design, security, backend, and mobile to balance accessibility, reliability, user experience, and threat resistance; mentor teammates and shape technical direction
Seniority
Senior, hands-on IC
