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 looking for a Staff Software Engineer to join our team. This is a hybrid role based in Bangalore, reporting to the Sr. Director of Software Engineering in the platform convergence department. In this role, you will design and scale high-performance backend services to drive the evolution of our converged platform. You will collaborate across teams to build robust distributed systems while mentoring engineers to uphold technical excellence. What you’ll do (Role Expectations) Designing and implementing scalable, high-performance backend services and APIs using Go, integrating with databases like PostgreSQL, MySQL, MongoDB, and Redis Writing and maintaining unit, integration, and performance tests to ensure code quality while monitoring, debugging, and optimizing system performance Mentoring junior engineers, fostering their growth and success, and actively participating in code reviews to uphold best practices Collaborating with external teams to deliver integrated solutions and ensure seamless system functionality Contributing to Agile/Scrum processes, including sprint planning and retrospectives, to drive project success Who You Are (Success Profile) 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. 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. 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. 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. 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. 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 5+ years of experience, with proficiency coding in Go (Golang), including strong expertise in concurrency, parallelism, GRPC, Protobuf, net/http, and TLS Skilled in building large-scale distributed systems, RESTful API design, and working with web frameworks like Gin and Echo Hands-on experience with Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), and version control tools like Git Solid understanding of SQL and NoSQL databases, CI/CD pipeline implementation, and exceptional problem-solving skills for designing robust solutions What Will Make You Stand Out (Preferred Qualifications) Experience integrating LLM APIs, vector databases, or AI orchestration frameworks directly into high-performance Go microservices to optimize data-driven capabilities Experience with systems languages like Rust or C/C++, particularly in performance-critical environments #LI-Hybr