Senior Systems Engineer, Workers Runtime

Cloudflare
Austin
Workplace: OnsiteFull timeFunction: IT Operations (Systems/Network Admin)Experience: 2+ yearsSkills: ["Problem-solving","Debugging","Performance optimization","Operational ownership","Systems thinking"]

Build and improve Cloudflare’s Workers Runtime, the system that executes customer code at the edge. You’ll enhance runtime performance, reliability, and scale; expand JavaScript and WebAssembly support; and own production code in a large-scale distributed environment. Work with strong fundamentals across data structures, algorithms, and software design while collaborating in an iterative setting focused on technical execution and what’s possible.

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FursaFursa
Cloudflare
Cloudflare
1 day ago

Senior Systems Engineer, Workers Runtime

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Source: Company careers pageValidated by: Fursa AI
Last checked: 6 hours agoStatus: Live

Job Summary

Build and improve Cloudflare’s Workers Runtime, the system that executes customer code at the edge. You’ll enhance runtime performance, reliability, and scale; expand JavaScript and WebAssembly support; and own production code in a large-scale distributed environment. Work with strong fundamentals across data structures, algorithms, and software design while collaborating in an iterative setting focused on technical execution and what’s possible.
Location: Austin
Workplace: Onsite
Employment Type: Full time
Job Function: IT Operations (Systems/Network Admin)
Seniority: Mid level

Key Responsibilities

  • •Build features and improvements for the Workers Runtime.
  • •Improve runtime performance, reliability, and scale.
  • •Expand JavaScript API and WebAssembly support.
  • •Own production code and debug issues in a large-scale distributed system.
  • •Work in a fast-paced, iterative environment balancing product goals with technical execution.

Key Requirements

  • •2+ years of recent 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.
Experience:2+ yearsDistributed systemsWebLinuxServerlessOpen source
Skills:Problem-solvingDebuggingPerformance optimizationOperational ownershipSystems thinking
Tech Stack:C++RustJavaScriptWebAssemblyHTTPLinuxUNIXV8SpiderMonkeyJavaScriptCoreWasmtimeWasmerLucetKernelNetworking

Company Brief

Cloudflare
Provides a global network and cloud platform that delivers security, performance, and reliability services for web applications, APIs, and Internet properties, including CDN, DDoS protection, DNS, and zero-trust security solutions.
Industry: Cybersecurity
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn