Software Engineer, Network Performance & Reliability

About Us At Cloudflare, we're on a mission to help build a better Internet. We protect and accelerate any Internet application online without adding hardware, installing software, or changing a line of code.

As a member of the Argo team, you'll be a key technical contributor to the cutting-edge network software infrastructure used by Cloudflare's products. You will work closely with various Engineering teams to translate their requirements into new capabilities on the platform.

Responsibilities

• 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.
• Work with a wide range of technologies and programming languages, including Rust, Go, Linux networking, ClickHouse, PostgreSQL, Grafana, Kubernetes, and more.
• Use AI-powered tools and systems as part of your daily workflow to analyze and extend codebases, introspect production systems and datasets, and accelerate problem-solving.

Must-Have Skills

• Systems-level programming experience in Go, Rust, C, or C++.
• 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.

Bonus Points

• 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.
• Experience using AI-assisted development tools (e.g., code completion, codebase analysis, log/data exploration) in a professional setting.

What Makes Cloudflare Special?

• We're a highly ambitious, large-scale technology company with a soul.
• We're committed to protecting the free and open Internet.
• We've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work.
• We've provided services to more than 425 local government election websites in 33 states.
• We've released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver.

Sound like something you'd like to be a part of? We'd love to hear from you!