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Software Development Engineer

Zscaler

$98,000 - $140,000
Sep 4, 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 a more enjoyable experience for enterprise users by developing and maintaining iOS and macOS applications and frameworks.

Requirements

  • Expertise in Objective C/Swift with hands-on experience developing iOS and macOS applications
  • Experience in C++ and socket programming
  • Knowledge of networking protocols (TCP/IP, SSL, HTTP, DNS, DHCP) and troubleshooting tools like Wireshark
  • Understanding of CI/CD pipelines and experience with RESTful APIs and performance tuning in the Apple ecosystem
  • Experience using cocoapods and Swift Package Manager, with knowledge of multithreading and offline storage solutions
  • Experience implementing VPN, firewall-type solutions on iOS and macOS
  • Knowledge of XPC, system extensions, keychain APIs, PKI, or other network security technologies

Responsibilities

  • Develop and maintain iOS and macOS applications and frameworks
  • Translate product and design requirements into high-quality code
  • Troubleshoot and resolve customer escalations to ensure product reliability
  • Research platform technologies for iOS and macOS to enhance application functionality
  • Maintain code quality through automation and continuous testing strategies

Other

  • This is a hybrid role, reporting into the San Jose, CA office 3 days a week.
  • Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry.
  • If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler.
  • Zscaler is committed to providing equal employment opportunities to all individuals.
  • Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.