Principal SWE, Windows & macOS Client Development

ZscalerSan Jose, CA
$182,000 - $260,000Hybrid

About The Position

Zscaler is seeking a Principal Software Development Engineer to join their Zero Trust Exchange department in a hybrid capacity at their San Jose, CA office. This role reports to the Sr. Manager, Software Development Engineering. The engineer will be responsible for implementing high-impact ZCC tunnel features to improve connectivity and security for a global user base. Additionally, they will lead the modularization of existing code into libraries to enhance system maintainability and architectural stability. Zscaler is an AI-forward enterprise that leverages the world’s largest security data lake to power its cloud-native Zero Trust Exchange platform, protecting customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. The company emphasizes impact over activity, seeking innovators who use AI to amplify their impact and thrive in an environment that uses intelligent systems to stay ahead of evolving threats. Zscaler values transparency, constructive debate, and building high-performing teams focused on customer obsession, collaboration, ownership, and accountability. They seek individuals with high impact, high accountability, and a sense of urgency, enabling them to do their best work and embrace their potential. The company is looking for individuals driven by purpose, who thrive on solving complex challenges, and want to be part of securing the AI age.

Requirements

  • Strong C, C++, or Rust development experience
  • Experience with both Windows & macOS Client Development
  • Robust networking knowledge and engineering experience
  • Demonstrated experience utilizing AI models for debugging and code generation

Nice To Haves

  • Experience working within the Client VPN space
  • Advanced expertise in networking architectures and C++ or Rust development
  • Strong experience working with AI agents

Responsibilities

  • Implement high-impact ZCC tunnel features that enhance connectivity and security for our global user base.
  • Lead the modularization of existing code into libraries to improve system maintainability and architectural stability.
  • Work on networking components in ZCC across all platforms.
  • Write highly scalable and testable code with the assistance of AI.
  • Debug customer issues utilizing state-of-the-art tools and AI.

Benefits

  • Various health plans
  • Time off plans for vacation and sick time
  • Parental leave options
  • Retirement options
  • Education reimbursement
  • In-office perks
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service