Senior Security Rules Engineer - Rust/Go, Scale

Cloudflare is seeking a Senior Software Engineer for the Security Rules team. You will work on Rust-based microservices, collaborating with security, network engineering, SRE, and product teams to build scalable, fault-tolerant systems for Cloudflare’s massive network.

You’ll take ownership of complex problems, mentor colleagues, and help shape architecture while operating in a fast-paced but sane environment. The role may require on-call duties outside regular hours.