Cloudflare
Software Engineer, Network Performance & Reliability (Argo)
Hybrid +1 · Full-time · Posted Jan 15, 2026
- Location
- Hybrid
Austin, TX, United States - Visa sponsorship
- Offers 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 Argo network software that improves reliable connectivity across Cloudflare products and its global edge network.
What you'll do
- Design, implement, test, deploy, and monitor network platform capabilities in collaboration with engineering teams.
- Partner with Network Engineering and SRE to make effective use of Cloudflare’s edge network.
- Take operational responsibility for system health, including participating in the team’s on-call rotation.
What they ask for
- Systems-level programming experience in Go, Rust, C, or C++; Rust experience is not required if willing to learn.
- Solid grasp of OSI Layer 3 and 4 networking protocols.
- Strong ability to debug complex systems.
- Willingness to adopt and integrate AI tools into the engineering workflow.
Nice to have
- Knowledge of HTTP, TLS, and CDN networks; experience implementing secure, highly available distributed systems.
- Knowledge of TCP/IP and Internet routing; professional systems-level Rust experience; statistical analysis or control theory; tools and APIs; large-scale distributed systems monitoring; on-call experience; or professional use of AI-assisted development tools.
Tools
Rust, Go, Linux networking, ClickHouse, PostgreSQL, Grafana, Kubernetes
AI focus
Use AI-powered tools to analyze and extend codebases, inspect production systems and datasets, and accelerate problem-solving.
Model-written summary · the original posting is authoritative