Cloudflare
Senior
Own the egress path that routes Cloudflare's network traffic to any destination on the Internet
Cloudflare's Egress team builds the network software that lets products like WARP and the iCloud Private Relay proxy connect out from Cloudflare's edge to any destination. This interview probes Go/Rust systems programming, L3/L4 networking depth, and comfort operating a Run-What-You-Build service with on-call responsibility at Internet scale.
Step into this interview
Free · a live voice mock calibrated to this exact role
What this interview tests
- Go and/or Rust systems programming
- L3/L4 networking (TCP/IP, routing)
- HTTP, TLS, and CDN network behavior
- Secure, highly-available distributed systems design
- Production debugging and on-call ownership (Run What You Build)
- AI-assisted engineering workflow
Common question themes
Design a secure, highly-available egress/proxy path for traffic leaving an edge network
Debug a production issue in a distributed network service under your team's on-call rotation
Go vs Rust tradeoffs for systems-level networking code
How TLS/HTTP behave differently across CDN-fronted connections
Handling an escalated customer issue with an ambiguous root cause
How you'd use AI tools to analyze a codebase or production dataset
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