Staff Software Engineer - React.js

About this role

<div class="content-intro"><p data-pm-slice="1 1 []">Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.</p> <p>We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.</p></div><p>&nbsp;&nbsp;<img src="https://image.synthesia.io/c57d35c1-5686-4e34-bec6-bba734f90ab1/thumbnail.gif" style="max-width: 100%;"></p> <p id="p-rc_7596f23e2ea8cb72-76" data-path-to-node="0"><span data-path-to-node="0,0"><strong data-path-to-node="0,0" data-index-in-node="0">Role</strong> </span></p> <p data-path-to-node="0"><span data-path-to-node="0,0">We are looking for a Staff Software Development Engineer (UI/React.js) to join our team</span><span data-path-to-node="0,2">. This is a Hybrid (San Jose, CA) role, reporting to the Director, Engineering in the Unified Experiences Platform department</span><span data-path-to-node="0,4">. 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</span><span data-path-to-node="0,6">. You will serve as a technical leader, driving engineering excellence and ensuring our frontend architecture meets the highest standards of performance and maintainability</span><span data-path-to-node="0,8">.</span></p> <p data-path-to-node="1"><strong data-path-to-node="1" data-index-in-node="0">What you’ll do (Role Expectations)</strong></p> <ul data-path-to-node="2"> <li> <p id="p-rc_7596f23e2ea8cb72-77" data-path-to-node="2,0,0"><span data-path-to-node="2,0,0,0">Craft high-quality libraries and tools for building frontend applications</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-78" data-path-to-node="2,1,0"><span data-path-to-node="2,1,0,0">Develop and maintain high-performance resilient UI using ReactJS, TypeScript, and Tailwind</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-79" data-path-to-node="2,2,0"><span data-path-to-node="2,2,0,0">Document and communicate technical specifications to ensure alignment with stakeholders</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-80" data-path-to-node="2,3,0"><span data-path-to-node="2,3,0,0">Identify and resolve technical challenges by incorporating a robust test automation strategy</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-81" data-path-to-node="2,4,0"><span data-path-to-node="2,4,0,0">Participate in code reviews and enforce coding standards to ensure a maintainable codebase</span></p> </li> </ul> <p data-path-to-node="3"><strong data-path-to-node="3" data-index-in-node="0">Who You Are (Success Profile)</strong></p> <ul data-path-to-node="4"> <li> <p data-path-to-node="4,0,0">You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.</p> </li> <li> <p data-path-to-node="4,1,0">You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.</p> </li> <li> <p data-path-to-node="4,2,0">You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact.</p> </li> <li> <p data-path-to-node="4,3,0">You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.</p> </li> <li> <p data-path-to-node="4,4,0">You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.</p> </li> </ul> <p data-path-to-node="5"><strong data-path-to-node="5" data-index-in-node="0">What We’re Looking for (Minimum Qualifications)</strong></p> <ul data-path-to-node="6"> <li> <p data-path-to-node="6,0,0">Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain</p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-82" data-path-to-node="6,1,0"><span data-path-to-node="6,1,0,0">5+ years of experience in JavaScript development with a focus on building and deploying ReactJS applications</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-83" data-path-to-node="6,2,0"><span data-path-to-node="6,2,0,0">Expertise in creating lean, clear documentation, testing, and automation as integral components of the UI workflow</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-84" data-path-to-node="6,3,0"><span data-path-to-node="6,3,0,0">Exceptional problem-solving skills and a proven ability to develop creative solutions to technical challenges</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-85" data-path-to-node="6,4,0"><span data-path-to-node="6,4,0,0">Experience effectively conveying complex technical concepts to stakeholders while fostering engineering excellence and driving innovation</span></p> </li> </ul> <p data-path-to-node="7"><strong data-path-to-node="7" data-index-in-node="0">What Will Make You Stand Out (Preferred Qualifications)</strong></p> <ul data-path-to-node="8"> <li> <p data-path-to-node="8,0,0">Experience building web-based frontends for generative AI applications, including managing complex application states and components optimized for real-time streaming LLM responses</p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-86" data-path-to-node="8,1,0"><span data-path-to-node="8,1,0,0">Demonstrated expertise in front-end performance optimization, code quality, and resolving rendering bottlenecks within data-intensive interfaces</span></p> </li> <li> <p id="p-rc_7596f23e2ea8cb72-87" data-path-to-node="8,2,0"><span data-path-to-node="8,2,0,0">Skilled in designing scalable, reusable front-end architectures that prioritize efficient component composition</span></p> </li> </ul> <p id="p-rc_7596f23e2ea8cb72-88" data-path-to-node="9"><span data-path-to-node="9,0">#LI-Hybrid #LI-JG1</span></p><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>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.</p> <p>The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.</p></div><div class="title">Base Pay Range</div><div class="pay-range"><span>$129,500</span><span class="divider">&mdash;</span><span>$185,000 USD</span></div></div></di