
Senior Software Engineer, Durable Objects (DO)
Cloudflare2 months ago
Responsibilities
- Build and improve the Durable Objects runtime.
- Design and develop low-level routing and storage systems for customer applications.
- Improve system reliability, scalability, performance, and feature depth.
- Own code end-to-end from design through production.
- Solve complex production distributed-systems problems.
- Work across JavaScript, TypeScript, Rust, and C++.
- Help drive the continued evolution of the system.
Requirements
- 5+ years of experience writing systems software.
- Experience owning code in production with an operational mindset.
- 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 driving engineering decisions.
- Preferred experience with database internals, especially SQLite.
- Preferred understanding of browsers, HTTP, JavaScript, and WebAssembly.
- Preferred experience in low-latency, real-time environments such as game streaming, high-frequency trading, or payment systems.
- Preferred experience debugging, optimizing, and identifying failure modes in large-scale Linux-based distributed systems.
Benefits
- The position is available in Austin, Texas.
- Candidates who reach the offer stage may be asked to attend an in-person interview at a Cloudflare office or hub.
- Cloudflare offers equal employment opportunity and reasonable accommodations.
Tech Stack
Categories
About Cloudflare
Cloudflare builds a global network that provides CDN, DDoS mitigation, DNS, Zero Trust security, and developer/edge computing tools for organizations of all sizes. It sells subscriptions to its cloud-based platform and usage-based services that protect and accelerate web sites, APIs, and corporate networks, plus serverless apps via Workers. Founded in 2009 and headquartered in San Francisco, it is a public company traded on the NYSE (ticker: NET).