Staff Software Development Engineer

Zscaler•San Jose, CA

14h•Hybrid

About The Position

Zscaler is a pioneer and global leader in zero trust security. The world’s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally, the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity. Here, impact in your role matters more than title and trust is built on results. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership and accountability. We champion an “AI Forward, People First” philosophy to help us accelerate and innovate, empowering our people to embrace their potential. If you’re driven by purpose, thrive on solving complex challenges and want to make a positive difference on a global scale, we invite you to bring your talents to Zscaler to help shape the future of cybersecurity. Role We are looking for a seasoned Staff Software Development Engineer (UI/React.js) to join our team in San Jose, CA, reporting to the Director, Engineering in the Unified Experiences Platform department. As a key member of this team, you will be responsible for crafting high-quality libraries and tools while building high-performance, resilient UI that scales. You will serve as a technical leader, driving engineering excellence and ensuring our frontend architecture meets the highest standards of performance and maintainability.

Requirements

5+ years of experience in JavaScript development with a focus on building and deploying ReactJS applications
Expertise in creating lean, clear documentation, testing, and automation as integral components of the UI workflow
Exceptional problem-solving skills and a proven ability to develop creative solutions to technical challenges
Experience effectively conveying complex technical concepts to both technical and non-technical stakeholders
Demonstrated track record of fostering engineering excellence and driving innovation

Nice To Haves

Demonstrated expertise in performance optimization and high-quality, detail-oriented code quality
Proficiency in resolving performance bottlenecks to ensure fluid rendering in data-intensive interfaces
Skilled in designing scalable, reusable front-end architectures that prioritize efficient component composition

Responsibilities

Craft high-quality libraries and tools for building frontend applications
Develop and maintain high-performance resilient UI using ReactJS, TypeScript, and Tailwind
Document and communicate technical specifications to ensure alignment with stakeholders
Identify and resolve technical challenges by incorporating a robust test automation strategy
Participate in code reviews and enforce coding standards to ensure a maintainable codebase