> Markdown version of [/jobs/ext/3599768-senior-software-engineer-network-on-ramps](https://www.wearedevelopers.com/jobs/ext/3599768-senior-software-engineer-network-on-ramps). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, Network On-Ramps - **Company:** CloudFlare - **Location:** London, UK - **Experience:** Expert - **Salary:** £168,000.0 - £210,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Border Gateway Protocol, Complex Networks, Data Systems, Software Debugging, Distributed Data Store, Distributed Systems, Linux Kernel, Network Control, Network Service, Network Protocols, Software Deployment, Systems Integration, Backend, Cloudflare, Restful APIs - **Published:** October 7, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a6183ee8c4784248 ## About the Role * Experience building and shipping large-scale, reliable, highly distributed systems * Systems-level programming experience, especially in Go and Rust * Expertise in L3 and 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 ## Description At Cloudflare, we're not looking for people who wait for a polished roadmap; we're looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you're the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you'll fit right in., We are hiring engineers of all experience levels on our teams. Some of the things our teams work on include: * An anycast BGP implementation that sustains sessions that are moved across servers and regions * Flow and log collection, correlation, and analytics systems to provide customers with unparalleled visibility into their own networks * A Linux kernel-based networking dataplane which ingests and forwards traffic from some of the largest networks in the world * 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 our 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. We're looking for curious, empathetic engineers who are excited to join us in changing the way networking is done!