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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Network Firewall - **Company:** CloudFlare - **Location:** Austin, TX, United States - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Profiling, Computer Programming, DDoS Mitigation, Software Debugging, Distributed Data Store, Distributed Systems, Intrusion Detection Systems, Network Security, Linux Kernel, Network Architecture, Network Service, Packet Analyzer, Network Protocols, Performance Tuning, Software Deployment, Systems Integration, In-Plane Switching (IPS), Firewalls (Computer Science), Backend, Rate Limiting, Cloudflare, Restful APIs - **Published:** August 5, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2feba2ed9070beea ## About the Role * Experience building and shipping large-scale, reliable, highly distributed systems * Systems-level programming experience; experience with Go and/or Rust is valuable * Expertise in L3 and L4 networking protocols; L2 experience is also valuable * Experience building high-performance network security products such as network firewalls, IDS/IPS, DDoS mitigation, rate limiting, packet capture, or threat intelligence integrations * Experience with low-latency userspace packet processing; familiarity with Linux kernel networking primitives such as netfilter, nftables, eBPF, tc, and network namespaces is also valuable * 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, profiling, and performance optimization skills for high-throughput, latency-sensitive systems Bonus Points * 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., 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 will help evolve our Network Firewall and related security capabilities across both north-south and east-west network architectures, with demanding throughput and latency requirements. 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. ## Related Videos - [Fireside Chat with Cloudflare's Chief Strategy Officer, Stephanie Cohen (with Mike Butcher MBE)](https://www.wearedevelopers.com/videos/1366-fireside-chat-with-cloudflare-s-chief-strategy-officer-stephanie-cohen-with-mike-butcher-mbe) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Profiling Symfony & PHP apps with Blackfire](https://www.wearedevelopers.com/videos/265-profiling-symfony-php-apps-with-blackfire) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 103 - Superb Owl Trafficking](https://www.wearedevelopers.com/magazine/388-dev-digest-103-superb-owl-trafficking) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025)