Edge Runtime Engineer - Rust/C++ & WebAssembly

Worky; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Cloudflare is hiring for a role on the Workers Runtime team. You will help build features and improvements for the edge runtime and expand support for JavaScript APIs and WebAssembly. The position emphasizes performance, reliability, and scaling at a global network scale.

You will work in a fast-paced, iterative environment, own code in production, and debug issues across a distributed system. A strong foundation in systems programming and web technologies is essential for success.

Qualifications

• 2+ years of professional experience with C++ or Rust.
• Strong computer science fundamentals including data structures, algorithms, and software design.
• Operational mindset and experience owning production systems.
• Deep understanding of the web, including HTTP, JavaScript, and WebAssembly.
• Experience debugging and optimizing large-scale Linux-based distributed systems.

Responsibilities

• Build features and improvements for the Workers Runtime.
• Improve runtime performance, reliability, and scale.
• Expand JavaScript API and WebAssembly support.
• Help shape features based on what is technically possible.
• Own code in production and debug issues in a large-scale distributed system.
• Work in a fast-paced, iterative environment that balances product goals with technical execution.

Skills

C++

Rust

Web fundamentals

Distributed systems

Tools

WebAssembly

Linux

JS engine basics

Job description

Cloudflare is hiring for a role on the Workers Runtime team. You will help build features and improvements for the edge runtime and expand support for JavaScript APIs and WebAssembly. The position emphasizes performance, reliability, and scaling at a global network scale.

You will work in a fast-paced, iterative environment, own code in production, and debug issues across a distributed system. A strong foundation in systems programming and web technologies is essential for success.