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Zscaler

Sr. Software Development Engineer-C/C++

Zscaler

Published 13 May 2026
San Jose, CA, USA
112K - 160K USD Annual
Full Time

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Role Highlights

Languages used

C
C++
Python

Key skills

Time Series
Product Management
Distributed Systems
Data Structures
Transformation
Agile
Security
AI
Optimization
Database
Cloud
Virtualization

Tools, Libraries and Frameworks

Unix
Linux
AWS
GCP
Azure
Ansible

Description

The role involves designing, developing, and testing enhancements for a proprietary time series database service. The engineer will profile and analyze system performance to identify bottlenecks and implement code improvements related to memory management, file I/O, and data structures. Collaboration with cross-functional teams is required to define and prioritize technical requirements. Additionally, the position entails troubleshooting and debugging complex database issues reported by internal teams or customers. The role focuses on maintaining high-performance and scalable security solutions.

Required Qualifications and Skills

Candidates must possess at least three years of experience working on Unix or Linux platforms. Proficiency in C, C++, Python, or Java is required, along with deep expertise in operating system internals and command-line utilities. Applicants should have a solid understanding of distributed systems and experience building scalable systems. Furthermore, deep proficiency in advanced data structures and algorithms is necessary for this role.

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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