Senior iOS Engineer - Secure Mobile Auth at Scale

020 Cisco Systems, Inc.; Ann Arbor (MI); Hybrid; USD 150,000 - 204,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with Cisco matching

Paid parental leave

Disability coverage

Basic life insurance

RSU grants

Job summary

Meet the Auth Experience Mobile team at Cisco within Duo Security in Ann Arbor, MI. We build secure, human-centered authentication for millions, focusing on iOS apps and supporting services with cross-functional product teams.

You will own iOS outcomes from ambiguous requirements through architecture, testing, rollout, and production support while mentoring teammates and shaping technical direction for scalable, secure experiences.

Qualifications

• Bachelor’s degree in computer science or a related technical field; 6+ years of software engineering or related experience.
• 3+ years of professional engineering experience shipping and supporting production native iOS apps.
• Swift experience and maintaining or integrating Objective-C; iOS SDK and SwiftUI or UIKit experience.

Responsibilities

• Lead complex Duo Mobile iOS capabilities with Swift, Objective-C, core iOS SDKs, and SwiftUI.
• Own outcomes from ambiguous requirements through architecture, implementation, tests, rollout, telemetry, and production support.
• Raise quality through durable design, delivery tooling, and responsible AI-assisted development.
• Partner across product, design, security, backend, and mobile to balance accessibility, reliability, and threat resistance.
• Mentor teammates and shape technical direction to achieve secure, maintainable outcomes at scale.

Skills

Swift

Objective-C

iOS SDK

SwiftUI

Automated testing

Mobile backend integration

AI coding tools

Education

Bachelor’s degree in computer science or related field

Tools

Xcode

Job description

Meet the Auth Experience Mobile team at Cisco within Duo Security in Ann Arbor, MI. We build secure, human-centered authentication for millions, focusing on iOS apps and supporting services with cross-functional product teams.

You will own iOS outcomes from ambiguous requirements through architecture, testing, rollout, and production support while mentoring teammates and shaping technical direction for scalable, secure experiences.