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Principal Software Engineer

Zscaler

$182,000 - $260,000
Sep 15, 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 developing and enhancing cutting-edge cloud security solutions for the Cellular ecosystem.

Requirements

  • Strong proficiency in one or more of Java, Python, Go, or C++ with expertise with microservices and defining distributed architectures
  • Hands-on experience with real-time analytics using pub/sub platforms (e.g., Kafka, Pub/Sub, Pulsar), distributed datastores (Elasticsearch), and building optimized big data pipelines with Spark or Beam
  • Solid understanding of cloud technologies, including virtualization, containerization, and microservices, as well as security principles and protocols such as SSL/TLS, IPsec, and OAuth
  • Experience in the cybersecurity industry or with cloud security solutions and a background in designing and implementing enterprise-grade security or networking products
  • Knowledge of cellular architecture and understanding of TCP/IP, event-based programming, and fault tolerance
  • Experience working with Kubernetes and cloud platforms such as AWS, Azure, or GCP

Responsibilities

  • Design, develop, and maintain scalable cloud-based enterprise applications in collaboration with cross-functional engineers
  • Utilize strong proficiency in object oriented principles to develop solutions using one or more languages (Java, Python, Go, or C++) for the Cellular and 5G ecosystem
  • Define specifications and identify platform infrastructure for high-speed traffic processing at the edge
  • Apply experience in big data analytics, streaming platforms, or dashboard visualization to support real-time analytics requirements

Other

  • 10+ years of hands-on application development experience and a bachelor’s or master’s degree in Computer Science, Software Engineering, or a related field
  • Ability to work in a hybrid role, reporting into the San Jose, CA office 3 days a week
  • Strong communication and collaboration skills
  • Ability to work in an inclusive and supportive culture
  • Commitment to providing equal employment opportunities to all individuals