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At Zscaler, our Customer Success Organization is a global, customer-focused team dedicated to delivering high-impact experiences and identifying innovative solutions. We leverage valuable data and research to provide expert, hands-on support starting from the implementation phase and beyond, ensuring customers achieve their goals and leverage our technology to its fullest potential. Together, we create a customer-centric culture that fosters success, adoption, and continuous growth.

We're seeking an experienced Principal UI Engineer to join our Engineering Team, reporting to the Director of Engineering. This is a hybrid role going into our San Jose, CA office 3 days a week. In this role, you will:

1. Lead and drive the engineering effort for the development and maintenance of the Zscaler Microsegmentation User Interface
2. Work closely with the UI design team to implement intuitive and accessible user interfaces, leveraging UX best practices and a component library
3. Collaborate with the product team to define and implement functional requirements that align with business goals
4. Develop high-quality, maintainable code with thorough unit and end-to-end (E2E) tests using frameworks such as Jest, Cypress, or Playwright
5. Advocate for UI platform priorities, ensuring alignment with long-term architectural goals and business needs

What We're Looking for (Minimum Qualifications):

1. 10+ years of professional experience as a front-end engineer, including mentoring junior engineers
2. 8+ years of React.js experience and extensive experience with JavaScript
3. Strong understanding of UI/UX design principles, UI components, scalability, performance, and security to maintain a high-quality user experience
4. Experience in designing and implementing efficient and scalable GraphQL and REST APIs that serve the frontend effectively
5. Bachelor Degree/or Masters Degree in computer science or equivalent experience

What Will Make You Stand Out (Preferred Qualifications):

1. Strong understanding of front-end build tools, package managers, monorepos, version control systems (e.g., Nx, npm, git), and performance optimization techniques
2. Experience in component composition, code quality, testing methodologies, containerization (Kubernetes), and cloud-based UI deployments
3. Familiarity with AWS services (e.g., CloudFront, EC2, S3) and their application in secure, scalable, and high-availability environments