Systems Engineer, Browser Isolation

About Us

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.

Available Locations: Austin, TX

In this role, you’ll help us build Cloudflare Browser Isolation, a secure remote browsing platform that protects users from security threats on the Internet. As an engineer on the Browser Isolation team, you will focus on designing, building, and scaling our Chromium-based distributed browsing engine. You will also contribute to the control plane that enables distributed Chromium-based browsers to deliver low-latency remote browsing for our users at scale across our global anycast network. You will solve problems of massive scale and significance, shaping the future of secure web browsing on the Internet.

Technologies we use

Our client is written in WebAssembly, Typescript, and WebGL

Our remote streaming technology is based on WebRTC and Skia (read our blog to learn more)

Our remote browser is based on Chromium and developed in C++

For our orchestration layer we use Nomad, Consul, Cloudflare Workers, Go and Typescript

Examples of desirable skills, knowledge and experience

Members of the Browser Isolation team contribute to all areas of the product. These include everything from making patches to Chromium, orchestrating tasks at the edge, and working on our build infrastructure. We’re looking for motivated engineers who are excited to work broadly across our technology and service stack.

3+ years of relevant experience required.

Experience coding in multiple programming languages s.a. C++, Go and Typescript.

Familiarity with Linux/UNIX systems.

Debugging across multiple distributed services.

Ability to effectively navigate, understand, and contribute to large codebases.

Solid foundation in computer science, with strong competencies in algorithms, data structures, software design, and building large, distributed systems.

Ability to work under ambiguity and solve difficult problems.

Bonus Points

Experience working in low-latency real time environments such as video streaming, game engine architecture, high frequency trading, etc.

Experience with on-call and incident mitigation.

Experience with workload and container orchestration systems such as Nomad, Consul or Kubernetes.

Knowledge of logging, metrics, billing, and health check systems for large-scale distributed infrastructure.

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental