Software Engineer, Duo Desktop

Engg; Ann Arbor (MI); Hybrid; USD 129,000 - 185,000; Full time

Benefits offered by this job

Medical, dental and vision insurance

401(k) with company match

Parental leave

Disability coverage

Life insurance

Job summary

Duo Security (Cisco) in Ann Arbor, MI is hiring a desktop software engineer to build cross‑platform client apps for macOS and Windows. You will develop features in Swift/SwiftUI for macOS and C#/WPF for Windows, and write tests while contributing to code reviews.

The role emphasizes secure, scalable client software, collaboration with backend and security teams, and mentoring others while embracing responsible AI tooling and staying current with platform frameworks.

Qualifications

• Bachelor's degree or higher with 5+ years related experience.
• Master's degree with 3+ years related experience.
• PhD with 0 years related experience.
• 5+ years native macOS (Swift/SwiftUI) and/or Windows (C#/WPF) development.
• Experience with REST APIs and UI debugging tools.

Responsibilities

• Build features for macOS and Windows across desktop apps.
• Write unit and UI tests; participate in code reviews.
• Troubleshoot issues in development and production environments.
• Collaborate with backend, security, and product teams.
• Lead medium-complexity features end-to-end.
• Mentor teammates and promote responsible AI tooling.

Skills

macOS (Swift)

SwiftUI

Windows (C#/WPF)

REST APIs

UI debugging

Cross-platform

AI tooling usage

Education

Bachelor's degree

Master's degree

PhD

Equivalent experience

Tools

Xcode

Visual Studio

Swift

.NET

Job description

The application window is expected to close on: 10/22/2026. This is a hybrid role located in Ann Arbor, MI with 2 days per week onsite.

Meet the Team Duo Security, part of Cisco, makes security simple through cloud-delivered identity and access solutions.

Within the Identity Foundations organization, the Duo Desktop team builds endpoint capabilities that provide trusted device identity and security-posture signals, including experiences delivered through Cisco Identity in Cloud Control.

Our engineers partner with product, design, and platform teams to create secure, reliable, high-performance identity experiences that scale across enterprise environments.

We value ownership, pragmatic decision-making, craftsmanship, collaboration, and responsible AI-assisted development.

This role will help shape how device trust is established and used across Cisco’s Identity Fabric and broader security portfolio.

Your Impact

Build client features and components that run across macOS and Windows platforms.

Write clean, testable code with unit and UI tests; perform code reviews for team members.

Troubleshoot and fix bugs in development and production environments; participate in postmortems.

Collaborate with backend engineers, security, and product teams to integrate platform capabilities.

May lead medium-complexity features from design through completion.

Share knowledge with teammates and help junior engineers grow; model responsible use of AI tooling.

Stay current on platform frameworks and security capabilities; bring ideas for technical improvement.

Work independently with minimal guidance to determine technical approaches.

Minimum Qualifications

• B achelors + 5 years of related experience
• Masters + 3 years of related experience
• PhD + 0 years of related experience
• equivalent related work experience 3+ years of professional experience developing native desktop applications for macOS using Swift programming language and SwiftUI AND/ OR Windows programming in C# and .NET frameworks (WinForms/WPF)
• Experience building responsive user interfaces ( SwiftUI or UIKit ) and debugging UI issues (Xcode or other tools?)
• Experience with REST APIs and HTTP integration

Preferred Qualifications

• Experience with authentication, identity management systems, zero-trust security principles and building for security-sensitive or regulated environments.
• Experience with hardware security features (TPM, Secure Enclave, or similar).
• Cross-platform development experience (macOS + Windows), performance optimization, and debugging of native applications
• Open-source contributions or GitHub portfolio
• Experience with secure credential storage APIs (Keychain, Credential Manager)
• Mentoring , code reviews, UI and Unit Testing experience
• Experience with AI coding assistants or modern development tooling

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you.

Message to applicants applying to work in the U.S. and/or Canada

The starting salary range posted for this position is $128,600.00 to $184,900.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits. Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training.

The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco’s plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance.

Please see the Cisco careers site to discover more benefits and perks.

• Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.
• U.S. employees are eligible for paid time away as described below, subject to Cisco’s policies: 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees 1 paid day off for employee’s birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees Exempt employees participate in Cisco’s flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations) 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next Additional paid time away may be requested to deal with critical or emergency issues for family members Optional 10 paid days per full calendar year to volunteer For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco’s policies.
• Employees on sales p