Principal Software Engineer - UI

About Zscaler

Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

Responsibilities:

We seek a seasoned Principal - UI, with a strong front-end engineering background to lead a high-performing engineering team working on the development of common UI frameworks, component libraries, and cutting edge user experiences. This role offers the opportunity to influence the direction of user experience of our cybersecurity products and significantly impact our global customer base.  This is a hybrid role reporting into our San Jose, CA office 3 days a week.  In this role, you would:

• Lead the development, maintenance, and architectural design of scalable UI components for a design system using ReactJS/TypeScript.
• Collaborate with cross-functional teams (design, product, engineering) to define the design system's vision, integrate components, and drive adoption.
• Mentor engineers, ensure high code quality through reviews and standards, and implement robust testing strategies.
• Continuously improve UI component performance, accessibility, and usability, staying current with front-end trends and technologies.
• Establish and maintain comprehensive documentation for the design system.

What We're Looking for (Minimum Qualifications):

• Minimum of 10+ years of professional experience in UI engineering, with a focus on ReactJS
• Extensive experience developing reusable UI components and frameworks using ReactJS/JavaScript
• Strong proficiency in HTML (semantic), CSS (including responsive design and box model), and mobile-first development
• Solid understanding of UI/UX design principles, with experience collaborating with designers on data-heavy web applications
• Proficiency with front-end build tools, package managers, monorepos, and version control systems (e.g., Nx, npm, Git)

What Will Make You Stand Out (Preferred Qualifications):

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field
• Experience with performance optimization, comprehensive testing methodologies, clear documentation, and automation for high-quality, reusable UI components
• Knowledge of data visualization libraries (e.g., D3.js) and advanced problem-solving skills for complex technical challenges

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#LI-Hybrid

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.

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Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.