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Senior Staff Software Development Engineer

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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 Sr. Staff Software Engineer for a hybrid role based in Hyderabad/Bangalore, reporting to the Sr. Director of Software Engineering in the platform convergence department. You will design and build a low-latency, high-throughput data forwarding plane using Rust, leveraging its async/await model for efficient I/O and service-oriented infrastructure. Your work will focus on developing distributed, scalable systems that bridge the gap between control and orchestration layers through fault-tolerant gRPC-based services.

What you’ll do (Role Expectations)

  • Design and build a low-latency, high-throughput data forwarding plane using Rust, leveraging its async/await model for efficient I/O and service-oriented infrastructure
  • Develop distributed, scalable systems with a focus on concurrency, fault tolerance, and messaging
  • Implement and maintain gRPC-based APIs and services to integrate forwarding plane capabilities with control and orchestration layers
  • Optimize system performance through profiling tools across kernel-space and user-space
  • Engage in code reviews, system design discussions, technical documentation, and mentoring junior engineers

Who You Are (Success Profile)