Cloudflare
Senior Software Engineer, Zero Trust Client
$185K–$254K
Hybrid +2 · Senior · Full-time · Posted Sep 21, 2026
- Location
- Hybrid
Austin, TX, United States
Seattle, WA - 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 improve Cloudflare’s Zero Trust desktop client, implementing high-performance networking code that securely routes device traffic to Cloudflare’s network.
What you'll do
- Design and implement major development projects and customer-impacting features with product managers and partner teams.
- Improve code quality and build testable, well-documented foundations across desktop platforms.
- Debug complex networking and system issues while meeting product performance, quality, and security requirements.
What they ask for
- In-depth knowledge of Windows internals and network protocols.
- Excellent programming skills and experience writing high-quality, low-complexity, documented code.
- Strong experience writing testable and thoroughly tested code.
- Comfort writing multithreaded, asynchronous code.
Nice to have
- Low-level Windows driver development, ideally network drivers; experience with Rust, C, or C++.
- Experience mentoring engineers, owning technical designs end-to-end, and debugging issues across teams and systems.
Pay
USD 185,000 -$254,000 annual salary (base salary)
Tools
Rust, Swift, C#, C, python, TCP/IP, UDP, DNS
Model-written summary · the original posting is authoritative