Senior Systems Engineer - Durable Objects & Edge Runtime

Cloudflare; New York (NY); On-site; USD 185,000 - 254,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Savings

Job summary

Cloudflare is seeking a senior systems engineer to join the Emerging Technologies & Incubation team, focusing on the Durable Objects platform. You will evolve runtime and low-level routing and storage to support real-time, stateful workloads at scale.

Responsibilities include end-to-end ownership from design to production, improving reliability and performance, and collaboration across JavaScript, TypeScript, Rust, and C++. Prior leadership experience is a plus.

Qualifications

• 5+ years of experience writing systems software.
• Operational mindset with experience owning code in production.
• Strong foundation in data structures, algorithms, and system design.
• Deep expertise in at least one systems programming language such as C/C++ or Rust.
• Experience designing and architecting large-scale distributed systems.
• Familiarity with cloud platforms, especially serverless architectures.
• Experience as a technical leader or team lead.

Responsibilities

• Build and improve the Durable Objects runtime.
• Design and develop the low-level routing and storage systems that power customer applications.
• Improve reliability, scalability, performance, and feature depth.
• Own code end-to-end from design through production.
• Solve complex problems in production distributed systems.
• Work across JavaScript, TypeScript, Rust, and C++.
• Help drive the continued evolution of the system.

Skills

Systems programming

Distributed systems

Rust

C/C++

Data structures

Algorithms

Production ownership

Cloud platforms

Team lead experience

JavaScript/TypeScript

Tools

SQLite

Job description

Cloudflare is seeking a senior systems engineer to join the Emerging Technologies & Incubation team, focusing on the Durable Objects platform. You will evolve runtime and low-level routing and storage to support real-time, stateful workloads at scale.

Responsibilities include end-to-end ownership from design to production, improving reliability and performance, and collaboration across JavaScript, TypeScript, Rust, and C++. Prior leadership experience is a plus.