Principal Software Development Engineer

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Principal Software Development Engineer in Others

Zscaler
Full time
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Others
09/17/2026
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Bengaluru, India

Responsibilities

Lead architecture and development of scalable AI/ML infrastructure, LLM serving platforms, and agentic workflows for cloud-scale cybersecurity use cases.
Design reusable networking, security, authentication, and monitoring foundations for enterprise AI/ML services.
Implement observability, evaluation, and reliability frameworks for production AI systems.
Drive cross-functional architectural initiatives with product, security, and operations teams.
Provide technical leadership and mentorship on distributed systems design and communicate complex architectures to non-technical stakeholders.

Requirements

Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions.
Experience designing and operating large-scale, low-latency distributed systems with expertise in availability, fault tolerance, consistency, and cloud-native microservices.
Expertise in LLMs and production AI/ML infrastructure, including orchestration frameworks, inference systems, and full-lifecycle pipeline operations.
Track record of cross-organizational technical leadership, architectural decision-making, team mentorship, and shipping production-grade services.
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
Preferred experience with autonomous AI agentic workflows, domain-specific LLM fine-tuning, LLM observability, explainability, evaluation frameworks, serverless architectures, networking, identity, encryption, access control, VPC, and network security.

Benefits

Hybrid work arrangement based in Bangalore.
Various health plans, vacation and sick time off, parental leave, retirement options, education reimbursement, and in-office perks.

Zscaler

Zscaler is a leader in zero trust security, providing a cloud-native platform that enables organizations to secure users, applications, and data while driving digital transformation. Our Zero Trust Exchange platform leverages advanced AI and the largest security data lake to combat cyber threats,...

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