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Software Engineer, Rulesets

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

Core

Design and build the rules engine and control plane for Cloudflare's edge ecosystem to increase availability, safety, and reliability.

Role type

Senior IC Software Engineer (Rulesets & Control Plane)

Builds

The main Cloudflare web server and associated control plane systems

Domain

Internet infrastructure, edge computing, web security

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed systems design, performance engineering, concurrency control, algorithms, data structures, web server architecture, web protocols, web security standards

Preferred skills

Rust, Go, large-scale system design

Responsibilities

Create new features for the edge ecosystem, improve existing features, build systems from scratch, collaborate with platform teams on the rules engine and control plane

Seniority

Senior, hands-on IC

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