Zscaler
Sr. Staff Software Development Engineer - Go Dataplane (SD-WAN)
$180K–$225K
Santa Clara, California, USA · Senior Staff · Full-time · Posted Oct 14, 2026
- Experience
- 10+ years designing and developing software within a distributed, enterprise-scale environment.
About the job
Develops high-performance Go dataplane services and APIs for Zscaler’s Zero Trust Branch platform, advancing cloud security and SD-WAN capabilities.
What you'll do
- Design and build resilient cloud-based software, network integrations, dataplane services, and APIs.
- Develop and optimize network applications and protocols using Go and Python, including Linux system-level programming.
- Analyze network performance, troubleshoot bottlenecks, and lead code reviews, testing, and debugging.
What they ask for
- Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions in the functional domain.
- Strong Go proficiency applied to network data handling and processing; deep Linux expertise, including system-level programming, networking, scripting, and troubleshooting.
- Strong exposure to SD-WAN, VPNs, Cloud Security architectures, and cloud platforms such as AWS.
- In-depth L2–L7 networking, TCP/IP stack internals, HTTP/HTTPS, SSL/TLS, and performance testing knowledge.
Nice to have
- Proficiency with AI code-assistance tools such as GitHub Copilot or Cursor.
- Advanced hands-on experience with L3 tunneling protocols, SD-WAN, and cloud-based networking architecture, design, and deployment.
Pay
$180,000 — $225,000 USD (base salary)
Tools
Go, Python, Linux, AWS, TCP/IP, HTTP/HTTPS, SSL/TLS, GitHub Copilot
AI focus
Requires foundational AI/ML knowledge and experience leveraging, securing, or positioning AI-driven solutions; preferred use of AI code-assistance tools for architecture, refactoring, and development.
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