Software Engineer, Orpheus​/Argo Smart Routing

Position Title:

Software Engineer, Orpheus / Argo Smart Routing

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code.

Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the Worlds Most Innovative Companies by Fast Company.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time e join us!

The Orpheus team was formed to own a very important aspect of Cloudflare’s systems: enable more reliable network connectivity for Cloudflare’s products than the Internet itself provides. Almost all products in Cloudflare’s portfolio are or will be powered by Orpheus technology, including CDN, Spectrum, Magic Transit, Stream, Workers, Workers AI, R2, WARP, and more. As a member of the Orpheus team, you’ll be a key technical contributor to the cutting edge network software infrastructure used by those products.

You will work closely with various Engineering teams to translate their requirements into new capabilities on the platform. Likewise you will partner with Network Engineering and SRE to ensure that the technology makes the best use of Cloudflare’s world-class edge network.

You will participate in all stages of the software development lifecycle, from designing and documenting systems, to writing code and automated tests, to planning, managing, and monitoring production software deployments. You will work with a wide range of technologies and programming languages, including Rust, Go, Linux networking, Click House, Postgre

SQL, Grafana, Kubernetes, and more.

Engineering teams at Cloudflare operate a Run What You Build model, including ours. We are responsible for the health of our system and participate in our team’s on‑call rotation as part of operational responsibilities.

Because you’ll be solving problems of massive scale and significance, you are a growth‑oriented individual who enjoys being outside of your comfort zone. You are comfortable in a fast‑paced but sensible work environment. You value curiosity and empathy and lead with these values.

• Systems‑level programming experience in Go, Rust, C, or C++. We use Rust extensively, and while experience with the language isn’t required a willingness to learn it is.
• A solid grasp of networking protocols in Layers 3 and 4 of the OSI Model.
• Knowledge of HTTP, TLS, and CDN networks.
• Experience in implementing secure and highly‑available distributed systems.
• Strong ability to debug issues in complex systems.
• Strong collaboration and communication skills.
• Experience/interest in HTTP networking and VPN technologies.
• Experience/interest in network performance monitoring and tuning

• Knowledge of TCP/IP and Internet routing.
• Professional systems‑level programming experience in Rust.
• Working knowledge of statistical‑analysis techniques and control theory.
• Experience building tools and APIs.
• Experience with monitoring, alerting, and debugging large‑scale distributed systems
• Experience participating in an on‑call rotation.

We’re not just a highly ambitious, large‑scale technology company. We’re an ambitious, large‑scale technology company with a soul. Fundamental to our mission to help build a better…