Principal Engineer, Flutter

McAfee GmbH; Frisco (TX); Hybrid; USD 150,000 - 246,000; Full time

Benefits offered by this job

Bonus Program

401k Retirement

Medical, Dental, Vision

Job summary

McAfee is seeking a Principal Engineer with deep Flutter/Dart expertise to architect, implement, and optimize Mac/Windows desktop experiences. This hybrid Frisco, TX role requires on-site presence as needed and work-from-home when not on-site.

You will lead architectural decisions, write production code, and shape our desktop strategy while ensuring security and high performance for millions of users. You will mentor engineers, define Flutter desktop standards, and collaborate with security,

Qualifications

• 10+ years of software engineering experience with Flutter and Dart.
• Hands-on architect and production code leadership for Flutter desktop.
• Strong knowledge of Windows/macOS app architecture and UX conventions.
• Extensive experience integrating Flutter with native macOS code via platform channels.
• Secure, testable, and resilient architectures with emphasis on security.

Responsibilities

• Hands-on architecture and implementation of high-performance Flutter desktop apps for Windows and macOS.
• Define and own Flutter desktop architectural standards with a focus on security, reliability, and maintainability.
• Collaborate with security engineers, designers, and product managers to translate complex concepts into intuitive UX.
• Lead performance tuning, addressing startup time, memory usage, and rendering efficiency.
• Mentor senior engineers and set technical direction for the team.
• Drive CI/CD practices and maintainable code quality.

Skills

Flutter & Dart

Desktop Flutter

Windows/macOS architecture

Platform channels (Swift/Obj-C)

Security-focused design

CI/CD

Performance optimization

Mentoring

Cross-functional collaboration

AI-assisted development

Tools

Swift

Objective-C

Xcode

Flutter

Dart

Job description

Role Summary

McAfee is seeking a highly skilled Principal Engineer with deep desktop (Mac/Windows) and Flutter/Dart expertise to help build trusted, high performance security products that protect millions of users and families worldwide. In this hands on technical leadership role, you will architect, implement, and optimize Mac native experiences using Flutter, owning key aspects of our desktop strategy while shaping the long term engineering vision. As a Principal Engineer, you will lead critical architectural decisions, write production level code, and ensure our Flutter desktop applications meet the highest standards of security, reliability, performance, and user experience. You’ll collaborate closely with security engineers, designers, and product partners to transform complex technical and security concepts into intuitive, high quality customer experiences. If you’re energized by impactful, customer centric engineering and want to help shape the future of McAfee’s desktop products, we’d love to meet you. This is a Hybrid position located in Frisco, TX. You will be required to be on-site on an as-needed basis; when you are not working on-site, you will work from your home office. You must be within commutable distance of Frisco, TX. We are not offering relocation assistance at this time.

Position Details

About the Role

• Hands-on architecture and implementation (60%+ of your time) of high-performance Flutter applications for Windows and macOS used by millions of customers
• Write production code and lead critical technical implementations across the Flutter desktop stack
• Define and own Flutter desktop architectural standards with a focus on security, reliability, and long-term maintainability
• Ensure native desktop experiences across windowing, menus, keyboard shortcuts, accessibility, animations, and system integrations
• Partner with security engineers, designers, and product managers to translate complex security concepts into intuitive user experiences
• Design and implement robust abstractions for secure platform integrations using Flutter platform channels and native Windows/macOS APIs
• Drive best practices around state management, modularization, testing, and CI/CD
• Lead performance tuning efforts (startup time, memory usage, rendering efficiency)
• Mentor senior engineers through design reviews, code reviews, and technical guidance
• Set technical direction and architectural vision for the team
• Evaluate and adopt new Flutter and Windows/macOS capabilities while maintaining a strong security posture

About You

• You have 10+ years of software engineering experience with deep expertise in Flutter and Dart on any platform
• Proven track record of hands-on implementation and architecting production Flutter applications at scale, ideally on desktop
• Strong understanding of Windows and macOS application architecture and UX conventions
• Extensive experience integrating Flutter with native macOS code (Swift / Objective-C) via platform channels
• Solid background in system design, with an emphasis on secure, testable, and resilient architectures
• Experience with Flutter state management solutions (e.g., Riverpod, Bloc, Provider)
• Demonstrated ability to mentor senior engineers and set technical direction for teams
• Strong collaboration and communication skills, with the ability to influence across teams
• Passion for delivering polished, trustworthy user experiences through hands-on implementation
• Experience building or integrating security, privacy, or system-level software
• Familiarity with Apple Human Interface Guidelines and macOS accessibility standards
• Experience shipping apps at large scale with millions of users
• Knowledge of secure coding practices, threat modeling, or defense-in-depth
• Familiarity with AI-based coding tools and practices (e.g., Claude Code, AI-assisted development)

#LI-Hybrid

Company Overview

McAfee is a leader in personal security for consumers. Focused on protecting people, not just devices, McAfee consumer solutions adapt to users’ needs in an always online world, empowering them to live securely through integrated, intuitive solutions that protects their families and communities with the right security at the right moment.

Company Benefits and Perks

• Bonus Program
• 401k Retirement
• Medical, Dental, Vision, Basic Life, Short Term Disability and Long-Term Disability Coverage
• Paid Parental Leave
• Support and Community Involvement
• 14 Paid Company Holidays
• Unlimited Paid Time Off for Exempt Employees
• 96 Hours of Sick Time and 120 Hours of Vacation for Non-Exempt Employees Accrued Each Year

We're serious about our commitment to diversity which is why McAfee prohibits discrimination based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.

Pay Range

The anticipated compensation for this position is USD $149,610.00/Yr. - USD $245,790.00/Yr. depending on experience and qualifications.

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