Zscaler

Principal Software Development Engineer (Microservices)

Zscaler
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3 hours ago
Santa Clara, CA, USAStaff+
H1B sponsor

Base Salary

$186k - $265k/yr

Responsibilities

  • Lead the technical roadmap to modernize the ZIA control plane with API-first microservices, clear service ownership, and multi-region architectures.
  • Design, develop, and operate low-latency event-driven services end to end, including storage, resilience, progressive delivery, and rollback strategies.
  • Drive engineering standards, code reviews, testing, API and event contract governance, and cross-functional technical collaboration.
  • Own service reliability and operability through SLI/SLO definition, alerting, error budgets, incident response, postmortems, and observability.
  • Implement microservices security, supply-chain integrity, performance optimization, capacity planning, autoscaling, and cloud cost optimization across AWS.

Requirements

  • 12+ years of software development experience, including 4+ years building and operating production microservices at significant scale.
  • Proficiency in Go and deep experience with distributed systems, messaging, CQRS, and event sourcing where appropriate.
  • Experience operating Kubernetes in AWS at scale, preferably with EKS, along with strong Docker, infrastructure-as-code, and GitOps skills.
  • Strong SQL and NoSQL database design and scaling experience, including multi-region data trade-offs, performance engineering, and AWS cost optimization.
  • Comprehensive reliability and security experience with SLIs/SLOs, error budgets, Prometheus, OpenTelemetry, service meshes, mTLS, OAuth2/OIDC, incident management, and secrets management.
  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions within a functional domain.
  • Preferred qualifications include chaos engineering, load and performance testing, fault injection, disaster recovery drills, multi-region design, migration leadership, event schema governance, OSS contributions, technical talks, patents, or published design writing.

Benefits

  • Various health plans, vacation and sick time off plans, parental leave, retirement options, education reimbursement, and in-office perks.
  • Hybrid work arrangement in the Santa Clara, California office with a minimum of three days per week in the office.

Tech Stack

Amazon DynamoDBApache CassandraApache KafkaArgo CDAWSDockerGoIstioKubernetesMongoDBMySQLPostgreSQLPrometheusRabbitMQSQLVault

Categories

Zscaler

About Zscaler

5,001-10,000 employees

Zscaler builds a cloud-delivered zero trust security platform that replaces traditional network security appliances for enterprises and public-sector organizations. Its Zero Trust Exchange provides secure web gateway, zero trust access, CASB, and cloud firewall services, sold as subscriptions and delivered across 160+ global data centers. Founded in 2007 and headquartered in San Jose, it is a public company on NASDAQ (ZS) serving thousands of customers worldwide.

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