Senior 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 looking for a Senior Software Development Engineer to join our team. This is a Hybrid role based in our Hyderabad office, 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 greenfield opportunity to define and build a new class of market-defining products. What you’ll do (Role Expectations) - Design and develop highly scalable cloud-based applications using enterprise Java, Python, Go, or C++ - Define specifications and identify platform infrastructure to perform high-speed traffic processing at the edge - Work with Datapath, UI, and UX engineers to design solutions that satisfy product requirements while optimizing the end-to-end user experience - Manage multiple priorities efficiently with high attention to detail to drive critical projects to completion Who You Are (Success Profile) - You thrive in ambiguity and feel comfortable building the path as you walk it, seeing dynamic environments not as a hindrance but as raw material to build something meaningful. - You act like an owner, letting your passion fuel a bias for action while navigating seamlessly between high-level strategy and hands-on execution. - You are a tenacious problem-solver who seeks out challenges, knowing that finding solutions to hard problems delivers the biggest impact. - You are a high-trust collaborator who is ambitious for the team, embracing our challenge culture by giving and receiving clear, respectful feedback to quickly earn trust. - You are driven by innovation, bringing a deep curiosity for complex technical challenges and a belief in the power of technology to accelerate transformation. What We’re Looking for (Minimum Qualifications) - Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain - 3-5 years of hands-on application development experience and a Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field - Proficiency in Java, Python, or Go, with expertise in designing microservices, developing APIs, and modeling relational databases like PostgreSQL - Experience defining distributed architectures to address challenges such as configuration distribution, cache invalidation, and system-wide consistency - Extensive hands-on experience with real-time analytics using pub/sub platforms, distributed datastores like Elasticsearch, and big data pipelines such as Flink, Spark, or Beam - Solid understanding of cloud technologies, containerization, and security principles including SSL/TLS, IPsec, and OAuth What Will Make You Stand Out (Preferred Qualifications) - Experience with designing and implementing enterprise-grade security or networking products - Strong understanding of TCP/IP, high-performance computing, event-based programming, and fault tolerance - Experience with cloud platforms based on Kubernetes, AWS, Azure, or GCP #LI-Hybrid #LI-RG 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