Principal Software Engineer - UI, React.js Job at Zscaler, Inc. in San Jose

Principal Software Engineer - UI, React.js San Jose, California, USA

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.

Job Description :

We seek a seasoned Principal Software Engineer, UI reporting into the VPE. You will 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 will :

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

Minimum Qualifications :

Minimum of 10+ years of professional experience in UI engineering, with a focus on ReactJS

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)

Preferred Qualifications :

Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience

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

Base Pay Range

$182,000 - $260,000 USD

Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

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 :

Time off plans for vacation and sick time

Parental leave options

Retirement options

In-office perks, and more!

Learn more about Zscaler’s Future of Work strategy, hybrid working model, and benefits here.

Zscaler is an equal employment opportunity employer. We do not discriminate on the basis of race, color, religion, sex, national origin, age, disability status, or any other protected characteristic.

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