: Principal Engineer - Mac (Flutter/Dart)

McAfee•Frisco, TX

19h•Hybrid

About The Position

Role Overview: McAfee is seeking a highly skilled Principal Engineer with deep macOS 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 About the Role Hands-on architecture and implementation (60%+ of your time) of high-performance Flutter applications for 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 Mac-native 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 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 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 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: We work hard to embrace diversity and inclusion and encourage everyone at McAfee to bring their authentic selves to work every day. We’re proud to be Great Place to Work® Certified in 10 countries, a reflection of the supportive, empowering environment we’ve built where people feel seen, valued, and energized to reach their full potential and thrive. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees. Bonus Program Pension and Retirement Plans Medical, Dental and Vision Coverage Paid Time Off Paid Parental Leave Support for Community Involvement 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. McAfee recognizes and supports its obligation to reasonably accommodate applicants and employees with disabilities. We are here to help. Please let us know if you need a reasonable accommodation for any part of the application, interviewing, hiring, or at any other time during the employment process. Please do not include personal medical information in the email. Diversity is foundational for our business success. We want to be a workplace of choice for all people and we value the unique perspectives offered by a diverse workforce. McAfee does not unlawfully discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, citizenship, disability, protected veteran status, age, ancestry, medical condition, genetic information, marital status, pregnancy, or any other legally protected status. This principle applies to all areas of employment: recruitment and hiring, training, performance evaluations, promotions and transfers, compensation and benefits, and social and recreational programs. McAfee desires to be an employer of choice with an inclusive environment for all individuals. As part of this goal and in compliance with various laws and regulations, McAfee provides reasonable accommodation to applicants and employees. Requests for reasonable accommodation for applicants and employees are evaluated on a case-by-case basis. By submitting your CV/resume, McAfee will use the personal data that you have submitted in order to consider your application for a relevant role. McAfee processes personal data in accordance with its Privacy Policy (https://www.mcafee.com/enterprise/en-gb/about/legal/privacy.html).

Requirements

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 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)

Responsibilities

Hands-on architecture and implementation (60%+ of your time) of high-performance Flutter applications for 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 Mac-native 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 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 macOS capabilities while maintaining a strong security posture