Staff Software Development Engineer

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise , we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. 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 value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. Role We are seeking a talented, high-energy, Senior Software Development Engineer to join us as part of our Cellular innovation journey. This is a hybrid role based in Zscaler office location in Hyderabad, reporting to the Director, Software Engineering in the Emerging Tech Department. As part of our innovative team, you will play a critical role in the development and enhancement of our cutting-edge cloud security solutions for the Cellular ecosystem. This is a green field opportunity to define and build a new class of market defining products. What you’ll do (Role Expectations) You will develop and deliver flexible, reusable UI components for seamless UI creation and integration with Zscaler's API services. Work with Backend, UX engineers and product managers to design solutions to satisfy the product requirements while being conscious of the end to end user experience Self-starter, quick-learner, able to multitask, and collaborate with others in a team environment. Be detail-oriented and highly organized with the ability to juggle multiple priorities and drive them to completion. Who You Are (Success Profile) 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. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success. You have a deep curiosity for how things work and are energized by solving complex technical challenges. You believe in the power of technology to accelerate transformation and are always looking for a better, more secure, and scalable way. You are skilled at distilling complex problems, user needs, and technical concepts into clear, simple, and actionable plans. You are a precise communicator who brings clarity and focus to every interaction. What We’re Looking for (Minimum Qualifications) 5+ years of experience designing and building enterprise-grade software solutions Strong JavaScript/TypeScript skills with hands-on experience developing single-page and modern web applications Proficiency in ReactJS, React Native, Next.js, Redux, and Flux Experience with HTML5, CSS3, Tailwind CSS, D3.js, and RE