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Software Engineer, FL

London, United Kingdom💼 Full-time🗓 2026-08-27 → 2026-09-26

Core

Maintain and develop the main Cloudflare web server, processing over 150 million HTTP requests per second to improve efficiency, safety, and reliability of the edge ecosystem.

Role type

Senior IC Software Engineer (Distributed Systems)

Builds

The largest web server in the world, serving millions of customers including Shopify and VISA

Domain

Internet infrastructure, Edge computing, Distributed systems

Deliverable

production ML models | product features | infrastructure

Required skills

Rust, Go, Web servers, Web protocols, Distributed systems, Web security, Concurrency control, Performance engineering

Preferred skills

Algorithms, Data structures, Automation, Observability

Technologies

Rust, Go

Responsibilities

Increase availability, safety, and reliability of the edge ecosystem; Improve platform efficiency and deployment frequency; Collaborate with 20+ teams on a shared codebase; Design innovative solutions for unique challenges in large-scale networks.

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