Senior Software Engineer - Frontend

Role Overview:

We are seeking a highly skilled and experienced Senior Software Development Engineer join our dynamic engineering team to lead the development of modern, high-performance web applications. With 8–10 years of frontend engineering experience, you will contribute to architectural decisions, mentor junior developers, and drive the implementation of user interfaces that are not only visually appealing but also robust, accessible, and responsive.
This position is located in either Waterloo or Toronto, Canada. You will be required to be onsite on an as-needed basis. We are only considering candidates within a commutable distance to one of the two locations and are not offering relocation assistance at this time.

About the Role:

• Lead the design and development of scalable, high-performance user interfaces for our web applications.
• Craft exceptional user experiences, mentor junior developers, and set technical direction in collaboration with product and design teams.
• Collaborate with team and cross-team members to design, develop, debug, and release production-quality products.
• Design, build, and maintain advanced frontend architecture using modern JavaScript frameworks (e.g., React, Vue, or Angular).
• Own technical design discussions and architecture decisions for frontend features and systems.
• Work closely with cross-functional teams (Product, Design, Backend) to define, design, and deliver exceptional user interfaces.
• Write clean, modular, and maintainable code with a focus on performance and scalability.
• Mentor and support junior and mid-level engineers through code reviews, design sessions, and knowledge sharing.
• Drive frontend best practices, coding standards, and performance optimization strategies.
• Stay up to date with emerging trends in frontend development, evaluating and adopting new tools and technologies as appropriate.
• Contribute to the evolution of our design system and component libraries.
• Ensure high-quality UI implementations through rigorous testing (unit, integration, and end-to-end).
• Apply software design principles to build robust and maintainable systems.
• Collaborate, analyze, document, and align on software design and data modeling within large engineering groups.

About You:

• 8–10 years of professional experience in frontend web development.
• Proficiency in JavaScript/TypeScript, HTML5, CSS3, and responsive web design.
• Deep knowledge of one or more modern frontend frameworks (e.g., React, Vue.js, Angular).
• Experience with state management libraries (Redux, MobX, Pinia, etc.).
• Strong understanding of RESTful APIs, Web Sockets, and browser internals.
• Familiarity with performance profiling and tools like Lighthouse, Webpack, and Chrome Dev-Tools.
• Familiarity with CI/CD tools and automated testing frameworks (Jest, Cypress, etc.).
• Prior experience in leading technical projects or small engineering teams.
• Understanding of accessibility standards (WCAG) and internationalization (i18n).
• Knowledge of cloud platforms (AWS, GCP, Azure) is a plus.
• Experience building and maintaining design systems or component libraries.
• Excellent problem-solving, debugging, and communication skills.
• Comfortable working in Agile/Scrum development processes.

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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 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.