Cloudflare
Principal Engineer
Hybrid +1 · Principal · Full-time · Posted Oct 20, 2026
- Location
- Hybrid
Seattle, WA - Experience
- At least 5 years as a hands-on engineer.
- Visa sponsorship
- An offer may be conditioned on authorization to receive software or technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Build and operate edge CDN proxy products and services focused on customer speed, caching, and connectivity to customer origins.
What you'll do
- Develop and operate high-performance edge CDN proxy services and products.
- Lead small groups of engineers in delivering projects.
- Improve content-serving speed, caching systems, and connectivity to customer origins.
What they ask for
- At least 5 years of hands-on engineering experience.
- Experience operating high-performance, large-scale software systems.
- Experience leading engineering teams to deliver projects.
- Detailed knowledge of HTTP and transport protocols.
Tools
HTTP
AI focus
The posting describes an AI-native culture that uses AI as a partner and leverages AI to ship faster; it does not specify particular AI engineering work for this role.
Model-written summary · the original posting is authoritative