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Senior Systems Engineer
Workers Runtime, C++
Confirmed live in the last 24 hours
London, UK • Remote • United Kingdom
Experience Level
Desired Skills
  • 10+ years of professional experience building and managing software applications at large scale
  • Deep knowledge of at least one systems programming language such as C/C++, or Rust
  • An operational mindset - we don't just write code, we also own it in production
  • Solid foundation in computer science and software engineering with strong competencies in software design, and building distributed systems
  • Strong understanding of the web and technologies such as web browsers, HTTP, JavaScript and WebAssembly
  • Experience in designing and architecting large-scale distributed systems
  • Experience working with cloud platforms, especially server-less platforms
  • Experience debugging, optimizing and identifying possible failures in a large-scale distributed system
  • Experience being in a Technical lead or Team lead role
Desired Qualifications
  • Experience with the internals of JS engines such as V8, SpiderMonkey, or JavaScriptCore
  • Experience with standalone WebAssembly runtimes such as Wasmtime, Wasmer, Lucet, etc
  • Deep Linux/UNIX systems, kernel, or networking knowledge
  • Managing contributes to large open-source projects
  • Experience working in low-latency real time environments such as game streaming, game engine architecture, high frequency trading, payment systems

1,001-5,000 employees

Web performance & security platform
Company Overview
Cloudflare's mission is to help build a better Internet. The company specializes in providing a content delivery network and DDoS mitigation services.
  • Competitive salaries
  • Take-what-you-need paid vacation policy
  • Comprehensive health plans and benefits
  • Paid maternity and paternity leave
  • Commuter and ride share options
  • Returnships
Company Values
  • Be curious to learn and grow
  • Communicate clearly, directly, and transparently
  • Do the right thing
  • Embrace diversity to make Cloudflare better
  • Get your work across the finish line
  • Lead with empathy and assume good intentions