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Cloudflare
Cloudflare
1,001 – 5,000 Employees
H1B Visa SponsorConsultingLogisticsMarketing
Cloudflare provides a connectivity cloud that helps organizations secure and connect employees, devices, applications, networks, and data across on-premise environments, public clouds, SaaS platforms, and the internet. Its platform brings together application security, network protection, performance optimization, and visibility tools, helping teams reduce technical complexity while building and delivering software more efficiently. Cloudflare’s work spans cloud and edge delivery, secure networking, and resilient digital infrastructure, making it relevant to professionals working across cybersecurity, networking, cloud platforms, and application performance.
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Distributed Systems Engineer, Cache — Cloudflare (Hybrid)

Build and operate Cloudflare’s globally distributed cache and proxy infrastructure. Improve performance, reliability, routing, purging, and observability across the CDN edge.

USUnited StatesCACaliforniaCOColoradoILIllinoisNYNew YorkTXTexasWAWashington
$168,000 – $266,000 / year
HybridFull-timeMiddleSeniorEnglish RequiredBlockchain Engineer
C++Distributed SystemsGoLinuxRust

Description

  • Design, build, and operate the high-performance cache and proxy data plane serving content from Cloudflare’s edge to customer origins
  • Contribute to Pingora and production services by improving asynchronous I/O, connection handling, memory and disk efficiency, and tail latency
  • Advance cache correctness and performance through object placement, retention, admission and eviction policies, range requests, and protection against corrupt or incomplete data
  • Develop globally distributed purge and Tiered Cache systems that accelerate invalidation, optimize cache paths, increase hit rates, and reduce origin load
  • Deliver shared platform capabilities plus customer-facing APIs and rules for cache keys, TTLs, response handling, purge behavior, and Workers access
  • Own features through technical design, implementation, testing, observability, staged rollout, and production operation
  • Join the on-call rotation, lead incident response and post-mortems, and strengthen reliability, capacity, and operational tooling
  • Use traffic cohorts, measurable guardrails, and rollback mechanisms to deploy high-impact changes safely
  • Collaborate with product and engineering teams across Cloudflare
  • Contribute through code review, mentorship, technical writing, and improvements to team standards and tooling

Requirements

  • At least four years of professional experience designing, building, and operating production software systems
  • Proficiency in a systems or backend language such as Rust, Go, C, or C++, with readiness to work in Rust
  • Solid knowledge of HTTP semantics and transport protocols including TCP, TLS, and QUIC
  • Experience designing and implementing secure, resilient, high-performance distributed systems
  • Experience with Linux, networking, concurrency, and performance analysis
  • Experience owning production systems, including monitoring, debugging, on-call support, incident response, and reliability improvements
  • Ability to use metrics, logs, traces, profiling, and experiments to analyze production behavior and validate improvements
  • Strong written and verbal communication skills, including technical design writing and cross-team project leadership
  • Willingness to use AI-assisted engineering tools while maintaining accountability for correctness, security, and design quality
  • Applicants may require authorization to receive technology controlled by U.S. export control laws without sponsorship for an export license

Benefits

  • Eligibility for the company equity plan
  • An in-person interview at a Cloudflare office or hub may be requested during the offer process
  • Reasonable accommodations are available for qualified individuals with disabilities

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