Staff Software Development Engineer - AI Engineer

The role

Build and scale the agentic layer of the AI Native - Product Operations Platform. Design production-grade AI systems, reusable platform capabilities, and engineering harnesses for testing, evaluating and operating AI workflows.

What you will do

• Build and scale the agentic layer of the AI Native - Product Operations Platform
• Develop agentic AI capabilities using RAG architectures, embeddings, vector retrieval, agent orchestration and workflow state management
• Design and implement AI engineering harnesses for prompt testing, agent debugging, workflow replay, evaluation, regression testing and tracing
• Build and maintain graph-based agent workflows, including tool-calling paths, branching logic, human-in-the-loop checkpoints and stateful execution
• Implement standards, patterns and guardrails so AI development on the platform stays scalable, reliable and observable

Required qualifications

• 5+ years of industry experience
• At least 2-3 years building or working with AI development harnesses, including test harnesses, evaluation pipelines, workflow replay tools, tracing, observability, and prompt or agent regression test
• Proven experience building and deploying agentic AI systems, RAG architectures, embeddings and vector retrieval systems in production
• Familiarity with prompt engineering, orchestration patterns, agent workflows, graph-based execution models, and evaluation frameworks or guardrails
• Practical understanding of agentic loops, including planning, retrieval, tool execution, validation, retry handling, reflection and termination criteria

Nice to have

• Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience
• Hands-on software engineering experience with FastAPI, NextJS and Postgres
• Experience in a high-velocity delivery environment supporting frequent or weekly feature releases
• Proven ability to design AI systems optimized for low cost, high throughput, extensibility, observability and long-term scalability

Benefits

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks

About the company

Zscaler (NASDAQ: ZS) provides the Zero Trust Exchange cloud security platform, which securely connects users, devices and applications in any location. The company describes it as the world's largest in-line cloud security platform.