Software Engineer

Cloudflare, Inc.; San Francisco (CA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Cloudflare, Inc. is seeking a Software Engineer to architect, scale, and operate the distributed infrastructure powering our global server fleets. You will drive automation and build tooling to enable Cloudflare to expand its infrastructure footprint, ensuring high availability and resilience.

You will collaborate across Security, Networking, and Product teams to design robust systems, optimize performance, and deliver reliable infrastructure at scale in a fast-moving, AI-enabled environment.

Responsibilities

• Design & Scale Infrastructure: Architect, deploy, and maintain robust distributed systems, focusing on high availability, low latency, and horizontal scalability.
• Optimize Performance: Analyze system bottlenecks, optimize kernel and network stacks, and fine-tune resource utilization across global server fleets.
• Drive Automation: Build and maintain internal tools and automation frameworks to streamline infrastructure deployment, configuration management, and monitoring.
• Ensure Reliability: Participate in architecture reviews, capacity planning, and proactive system health monitoring to guarantee maximum uptime and resilience.
• Collaborate Cross-Functionally: Partner closely with Security, Network Engineering, and Product.

Job description

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 World’s Most Innovative Companies by Fast Company.

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.

About the Role

We are looking for a Software Engineer to architect, scale, and operate the distributed infrastructure that powers our global server fleets. You will drive automation and build tooling to enable Cloudflare to continue growing our infrastructure footprint.

Responsibilities

Design & Scale Infrastructure: Architect, deploy, and maintain robust distributed systems, focusing on high availability, low latency, and horizontal scalability.

Optimize Performance: Analyze system bottlenecks, optimize kernel and network stacks, and fine-tune resource utilization across global server fleets.

Drive Automation: Build and maintain internal tools and automation frameworks to streamline infrastructure deployment, configuration management, and monitoring.

Ensure Reliability: Participate in architecture reviews, capacity planning, and proactive system health monitoring to guarantee maximum uptime and resilience.

Collaborate Cross-Functionally: Partner closely with Security, Network Engineering, and Product