Principal Frontend Engineer

WHO WE ARE We’re not just a company — we’re a global force, fiercely committed to ensuring that everyone, everywhere, can live their digital lives safely. Our family of brands – Norton, Avast, LifeLock, Avira, AVG, ReputationDefender, and CCleaner – unites the brightest minds, the sharpest technology, and the most diverse perspectives to protect over 500 million people worldwide. We’ve built an inclusive workplace where your well-being is a priority, because true success comes from balance and authenticity. When you’re thriving, you’re unstoppable. So bring your bold ideas and passion that never quits. The digital world isn’t some distant reality – it’s the world we live in, and we’re ready for it. If you’re ready to push boundaries and be part of something bigger, join #TeamGen. HOW WE WORK We’re a full-stack browser development team building and maintaining the core technologies behind GenDigital’s Secure Browser products. Our mission is to deliver seamless, privacy-first, and secure browsing experiences by combining deep technical expertise with user-focused design. We work across the stack – from browser-side extensions and modern React-based UIs to backend services in .NET and Kotlin – ensuring our products are performant, resilient, and tightly integrated into the broader Gen ecosystem. We value autonomy, collaboration, and craftsmanship. Every engineer contributes to architectural decisions, continuous improvement, and shaping the future of privacy-driven browser experiences. MISSION & GOALS As a  Principal Frontend Engineer , you’ll play a key role in defining and building the next generation of our Secure Browser products. You’ll lead the design and development of modern, responsive UIs and browser-integrated features that connect users to Gen’s security ecosystem. Your mission: combine technical excellence with creativity to deliver secure, high-performing, and intuitive user experiences — while guiding the team toward scalable and maintainable solutions. OBJECTIVES Design and implement modern, responsive interfaces using  ReactJS  and  TypeScript . Develop and maintain  browser extensions  integrated with backend APIs and native modules. Collaborate with  .NET  and  Kotlin  backend teams to design, consume, and optimize APIs. Ensure high performance, reliability, and cross-browser compatibility across products. Participate in the  architectural design  of new features and shared UI components. Contribute to  frontend build systems ,  CI/CD pipelines , and  testing strategies . Conduct code reviews and promote frontend quality and best practices. Troubleshoot complex integration issues spanning browser APIs, backend services, and UI logic. Partner with product and design teams to drive  UX improvements  and evolve the design system. Stay current with emerging frontend technologies, browser APIs, and security best practices. COMPETENCIES Core expertise 5 years building modern web applications with  ReactJS  (and ideally  TypeScript ). Proven experience developing and publishing  browser extensions . Deep understanding of frontend architecture, performance optimization, and  state management  (e.g., Redux). Strong knowledge of  RESTful APIs , asynchronous data handling, and browser event systems. Hands-on experience with  Webpack  or similar build bundlers. Familiarity with  CI/CD pipelines ,  GitHub workflows , and version control best practices. Excellent debugging and problem-solving skills across browsers. Strong communication skills, ownership mindset, and collaborative approach. Nice-to-have Experience integrating with  .NET  or  Kotlin  backend systems. Awareness of  security principles  in browser extension development (permissions, content script isolation). Familiarity with  Kubernetes ,  Docker , or cloud-based deployment pipelines. Experience with  testing frameworks  (Jest, Cypress, Playwright). Exposure to  performance monitoring  tools (Lighthouse, Sentry, Datadog). Under ... (truncated, view full listing at source)