Senior IAM Systems Engineer: High-Throughput Auth & Security

Worky; Austin (TX); On-site; USD 140,000 - 210,000; Full time

Job summary

Cloudflare is hiring a hands-on senior engineer for the IAM team to own end-to-end surfaces in authentication and authorization. You will design high-throughput systems, craft secure REST APIs, and drive reliability under production load.

You’ll collaborate with Product, Security, and UX to ship robust capabilities and leverage AI tools where appropriate. The role emphasizes ownership, security, and cross-team impact across a globally scaled platform, with opportunities to work on edge-capable

Qualifications

• 5-8 years building and operating production systems at scale.
• Knowledge of identity protocols or fine-grained authorization systems (RBAC/ABAC).
• Proficiency in Go and TypeScript across the stack.
• Experience designing REST APIs with authentication and versioning.
• PostgreSQL and Redis: schema, queries, caching and consistency tradeoffs.
• Distributed systems intuition and global state considerations.
• Strong ownership, security mindset, and cross-team collaboration.

Responsibilities

• Feature development: high-throughput IAM capabilities for APIs.
• System evolution: modern, distributed authentication/authorization architectures.
• API and system design: translate security requirements into robust APIs.
• Engineering excellence: code reviews and technical design docs.
• Operational stewardship: ensure reliability under load with observability.
• AI-assisted development: use AI tools responsibly across workflow.

Skills

5-8 yrs exp

Identity protocols

Go

TypeScript

API design

PostgreSQL

Redis

Distributed systems

Security awareness

Tools

Docker

Kubernetes

Terraform

Prometheus

Grafana

Kibana

Job description

Cloudflare is hiring a hands-on senior engineer for the IAM team to own end-to-end surfaces in authentication and authorization. You will design high-throughput systems, craft secure REST APIs, and drive reliability under production load.

You’ll collaborate with Product, Security, and UX to ship robust capabilities and leverage AI tools where appropriate. The role emphasizes ownership, security, and cross-team impact across a globally scaled platform, with opportunities to work on edge-capable