Edge Runtime Engineer (C/C++ or Rust) — WebAssembly

Cloudflare; Austin (TX); On-site; USD 170,000 - 230,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Savings Plan

Employee stock participation plan

Commuter benefits

Flexible PTO

Parental leave

Job summary

Cloudflare is hiring for the Workers Runtime team in Austin, TX. You will contribute to the edge runtime that executes customer code, improving performance, expanding JavaScript and WebAssembly support, and helping the runtime scale safely and efficiently.

The role emphasizes building features in a distributed system, owning code in production, and collaborating in a fast-paced environment with a focus on performance and reliability.

Qualifications

• 2+ years of professional experience with C++ or Rust.
• Strong CS fundamentals including data structures, algorithms, and software design.
• Operational mindset with 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

CS fundamentals

Distributed systems

Web basics

Job description

Cloudflare is hiring for the Workers Runtime team in Austin, TX. You will contribute to the edge runtime that executes customer code, improving performance, expanding JavaScript and WebAssembly support, and helping the runtime scale safely and efficiently.

The role emphasizes building features in a distributed system, owning code in production, and collaborating in a fast-paced environment with a focus on performance and reliability.