Systems Engineer - Browser Isolation

Position Title: Systems Engineer - Browser Isolation

Available Locations: Austin, Lisbon, London

At Cloudflare, we are on a mission to help build a better Internet. The company runs one of the world’s largest networks that powers millions of 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.

We realize people do not fit into neat boxes. We are looking for curious, 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!

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.

• Our client is written in Web Assembly, 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

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 such as C++, Go and Typescript
• Familiarity with Linux/UNIX systems
• Systems‑level debugging and performance optimization
• 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

• Experience working in low‑latency real‑time environments such as remote computer streaming, game engine architecture, high‑frequency trading, etc.
• 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.
• Natural interest or experience in security products and security protocols

We’re not just a highly ambitious, large‑scale technology company. We’re truly committed to protecting the free and open Internet. Since 2014, 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 (Project Galileo). In 2017, the Athenian Project ensures that state and local governments have the highest level of protection and reliability for free, providing services to more than 425 local government election websites in 33 states.

We also released 1.1.1.1, a…