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Zscaler

Senior Staff Software Development Engineer

Zscaler

Published 13 May 2026
Bangalore, IND
Full Time

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Role Highlights

Languages used

Python
GO

Key skills

SDLC
Automated Testing
Cloud Security
Staff Engineer
LLMs
Transformation
Agile
Data
AI
Architecture
Infrastructure
Optimization
Debugging

Tools, Libraries and Frameworks

Linux Kernel
DNS
DHCP
IPSEC
AWS
Azure
Docker

Description

The role involves designing and optimizing system infrastructure and data paths for high-performance networking and low-latency security applications. The individual will implement and optimize core networking protocols to ensure enterprise-grade performance. Responsibilities include leveraging AI coding assistants and large language models to optimize code for performance and memory safety. The position requires resolving complex system issues by utilizing deep expertise in the Linux kernel and file systems. Additionally, the role entails developing detailed technical specification documents and conducting rigorous unit tests to ensure system quality and reliability.

Required Qualifications and Skills

The role requires a minimum of 8 years of systems engineering experience focused on high-performance and low-latency applications. Candidates must possess deep technical expertise in core networking protocols and advanced proficiency in Linux internals and systems programming using Python or Golang. Proven experience leveraging AI tools for system debugging, kernel-level observability, and code performance optimization is necessary. Familiarity with agile methodologies and modern software development lifecycles is also required.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Zscaler

Size

6971

Founded

HQ

San Jose, US

Public/Private

Public Company

Description

Zscaler accelerates digital transformation for its customers by making them more agile, efficient, resilient, and secure, leveraging the Zscaler Zero Trust Exchange, a cloud-native platform that protects against cyberattacks and data loss by securely connecting users, devices, and applications. With over a decade of experience in developing, operating, and scaling the cloud, Zscaler serves thousands of enterprise customers globally, including 450 of the Forbes Global 2000 organizations, by eliminating latency-creating gateway appliances and improving user experiences. Founded in 2007, Zscaler's mission is to make the cloud a safe place to do business, and its security platform strategically places a company's defenses and controls on the internet to ensure every connection is fast and secure, regardless of user location or application workload.

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