Zscaler
Principal Software Development Engineer (Microservices)
$186K–$265K
Santa Clara, California, USA · Principal · Full-time · Posted Oct 8, 2026
- Experience
- 12+ years in software development; 4+ years building and operating production microservices at significant scale.
About the job
Lead modernization of the ZIA control plane by designing and operating cloud-native microservices that scale across regions and meet reliability, security, and performance goals.
What you'll do
- Set the technical roadmap for API-first microservices and multi-region architecture; lead migrations and modernization.
- Build and operate event-driven services, delivery workflows, observability, reliability practices, and security controls.
- Drive engineering standards and cross-functional collaboration, including service ownership, contracts, reviews, and incident response.
What they ask for
- Foundational understanding of AI/ML and experience leveraging, securing, or positioning AI-driven solutions in the functional domain.
- 12+ years in software development, including 4+ years building and operating production microservices at significant scale; proficiency in Go.
- Experience with distributed systems and messaging, Kubernetes in AWS at scale, Docker, Infrastructure-as-Code, GitOps, SQL and NoSQL databases.
- Comprehensive reliability and security experience, including SLIs/SLOs, observability, incident management, service mesh, mTLS, OAuth2/OIDC, and secrets management.
Nice to have
- Kafka; EKS.
- Chaos engineering, advanced performance testing, multi-region design, migration leadership, event contract governance, OSS contributions, technical talks, patents, or published design writing.
Pay
$185,500 — $265,000 USD (base salary)
Tools
Go, Kafka, SQS, RabbitMQ, Kubernetes, AWS, Docker, Prometheus
AI focus
Leverage, secure, or position AI-driven solutions to optimize functional outcomes; preferred experience using AI technologies and workflows to improve operational efficiency.
Model-written summary · the original posting is authoritative