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Principal Software Development Engineer

Zscaler

$182,000 - $260,000
Sep 30, 2025
San Jose, CA, USA
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Zscaler is looking to solve the problem of making the cloud a safe place to do business and providing a more enjoyable experience for enterprise users by accelerating digital transformation and protecting thousands of enterprise customers from cyberattacks and data loss.

Requirements

  • 12+ years of experience in C programming along with proven experience in Go or Rust
  • Strong knowledge of networking protocols and services - DNS, HTTP, TCP/IP, SSL/TLS
  • Strong knowledge of authentication protocols like LDAP, SAML, OAuth
  • Strong knowledge of FreeBSD or Linux systems internals
  • Advanced knowledge of PostgreSQL
  • Experience in cloud computing with AWS, GCP, or other cloud providers, and containerization using Docker and Kubernetes
  • Experience with YugabyteDB and/or CockroachDB

Responsibilities

  • Practice technical leadership in design, development, and optimization of control path features in Cloud Infrastructure
  • Define and execute the technical roadmap ensuring alignment with business goals
  • Develop and own components of a large-scale distributed system with a sense for scalability
  • Use AI-powered tools for advanced problem solving and engineering efficiency
  • Mentor other engineers

Other

  • Bachelor's or Master’s Degree in Engineering/Computer Science
  • 12+ years of experience
  • Time off plans for vacation and sick time
  • Parental leave options
  • Retirement options
  • Education reimbursement