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Principal Software Engineer (ZDX)

Zscaler

$175,000 - $250,000
Jul 9, 2025
San Jose, CA, USA
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Develop and deliver a suite of client-facing and internal applications across the organization

Requirements

  • 8+ years of software development experience with programming expertise on C or C++
  • Experience on client side development (especially networking aspects) on some of these platforms: Mac, iOS
  • Solid understanding of networking and network topologies: TCP/IP, http/s, UDP, TLS, PKI and other related protocols and products (DNS, DHCP, VPN, HA, routing and switching)
  • Strong in CS fundamentals: High-performance Computing, Event-based programming, Multi-threading, Memory optimization, Fault Tolerance etc.
  • Have experience with CI/CD and test automation: to deploy the software in an Agile mode and faster deployment through MDM or other related infrastructure
  • Prior experience leading teams in the APM, NPM or Digital Experience Monitoring space
  • Strong understanding of network security technologies and knowledge of IPV6

Responsibilities

  • Hands-on design and development of Zscaler ZDX Client, specifically on Mac and iOS platforms
  • Providing technical leadership to the team: responsible for planning, architecture, design and development, operationalization and maintenance of high-volume software applications
  • Collaborating with cross-functional teams and also reviewing and guiding the team on scalable and highly secure architecture that meets current and future business needs
  • Developing and implementing policies and procedures to standardize development across a large team
  • Continuously monitoring and assessing the development roadmap along with product management to recommend initiatives to improve performance, functionality, security, operationalization needs and alignment with the company’s future direction

Other

  • 3 days a week in office
  • Bachelor's, Master's, or Ph.D. degree
  • Travel requirements not specified
  • Visa requirements not specified
  • Communication and cross-functional collaboration experiences