Senior Edge Cache & Proxy Engineer (Rust)

Webhosting; Washington; On-site; USD 168,000 - 254,000; Full time

Job summary

Cloudflare is seeking a Senior Software Engineer for the Cache team to design, build, and operate the high‑performance cache and reverse proxy at the edge. You will work on Pingora‑based services, addressing latency, reliability, and scalability across Cloudflare’s global network.

This role requires ownership of features end to end, plus on‑call and incident response. You will collaborate with product and engineering teams across Cloudflare, in multiple US locations including Seattle, NY,

Qualifications

• 4+ years of professional experience designing, building, and operating production software systems.
• Proficiency in at least one systems/backend language such as Rust, Go, C, or C++, with a willingness to work in Rust.
• Strong understanding of HTTP semantics and transport protocols (TCP, TLS, QUIC).
• Experience designing and implementing secure, resilient, high‑performance distributed systems.
• Experience with Linux systems, networking, concurrency, and performance analysis.
• Track record of production ownership: monitoring, debugging, on‑call, incident response, reliability improvements.
• Ability to use metrics, logs, traces, profiling, and experiments to understand production behavior.

Responsibilities

• Design, build, and operate the high‑performance cache and proxy data plane at the edge.
• Contribute to Pingora and production services, improving asynchronous I/O and tail latency.
• Improve cache correctness and performance through placement, eviction, and range‑request handling.
• Build global purge and Tiered Cache systems to reduce origin load and improve hit rates.
• Deliver APIs and rules for cache keys, TTLs, purge behavior, and Workers access.
• Own features end to end: designs, implementation, tests, rollouts, and production operation.
• Participate in on‑call rotation and incident post‑mortems to improve reliability.

Skills

Rust

Go

C/C++

HTTP/Networking

Linux systems

Distributed systems

Monitoring/Observability

On-call/Incident response

AI-assisted development

Tools

Pingora

Job description

Cloudflare is seeking a Senior Software Engineer for the Cache team to design, build, and operate the high‑performance cache and reverse proxy at the edge. You will work on Pingora‑based services, addressing latency, reliability, and scalability across Cloudflare’s global network.

This role requires ownership of features end to end, plus on‑call and incident response. You will collaborate with product and engineering teams across Cloudflare, in multiple US locations including Seattle, NY,