Cloudflare
Senior
Build and operate the distributed storage layer underpinning Cloudflare's Emerging Technologies products
Cloudflare's ETI Storage Infrastructure team owns everything from physical storage hardware to the distributed databases running on top of it, at global scale, using Rust, Go, Saltstack, and Terraform. This interview targets strong distributed-systems fundamentals (consistency, consensus, replication, fault/partition tolerance) plus hands-on storage and infrastructure-as-code experience, end-to-end code ownership from design doc to production runbook.
Step into this interview
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What this interview tests
- Distributed systems: consistency, consensus, replication, fault/partition tolerance
- Storage fundamentals: block devices, filesystems, SSD characteristics
- Infrastructure as code (Terraform, Saltstack) at global scale
- Rust/Go systems programming
- End-to-end ownership: design docs, observability, runbooks
Common question themes
Reason through a consensus or replication tradeoff for a distributed storage system
Design a safe capacity-expansion or hardware-rebuild rollout across failure domains
Debug a high-throughput, low-latency storage system issue
Discuss storage-hardware fundamentals (SSD wear, block devices, filesystems)
Automate away operational toil with tooling or infrastructure-as-code
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