System Design/Staff / Principal

Cloud Storage

Coming soon

Design an S3-style object store with durability, erasure coding, and multi-region replication.

Advanced ~70m Amazon Google Microsoft

This deep-dive is in the works

We're authoring a full 25-section breakdown for Cloud Storage — requirements, capacity math, an interactive architecture diagram, deep dives, tradeoffs, and interview tips. In the meantime, explore the published questions in this tier.

Browse available questions