Software Engineer

A Linux kernel-based networking dataplane which ingests and forwards traffic from some of the largest networks in the world


A userspace networking service which acts as a hub between our Network Services and Zero Trust systems, enabling every customer to access every product


Network software running on a hardware appliance that provides zero touch connectivity to the Cloudflare network and SD-WAN functions


Next-generation firewall functions implemented across Linux netfilter, eBPF, and userspace packet processing


Flow and log collection, correlation, and analytics systems to provide customers with unparalleled visibility into their own networks


Control plane systems which allow customers to simply express complex network configurations

As a Software Engineer on our team, you will work across a wide range of technologies and systems to deliver new features, improve performance, and increase the scalability of our Network Services products. You’ll build, deploy, and operate your team’s systems on top of one of the largest edge networks in the world. You’ll partner with some of the best engineers and product managers to solve big problems that have a meaningful impact in the lives of our customers and users.

Experience building and shipping large-scale, reliable, highly distributed systems


Systems-level programming experience, especially in Rust and/or Go


Expertise in L2, L3, and/or L4 networking protocols


Experience building on top of Linux kernel networking primitives – netfilter, nftables, eBPF, tc, network namespaces, etc


Experience designing and integrating RESTful APIs and backend systems


Experience with large-scale distributed data pipelines, from data structuring to efficient querying to data analysis


Excellent debugging and optimization skills


Attention to detail and ability to solve complex customer problems


Own solutions end-to-end and driving the design, development, and deployment process


Able to work across teams and level common, sustainable solutions


Creative, open-minded, collaborative problem solver


Focus on clarity in written and verbal communication