System Design·60 minMembers

Shopping Cart Latency and Inventory

Members only

Design or improve an e-commerce shopping/cart system with fast user-facing operations, out-of-stock handling, duplicate-order prevention, and safe concurrent purchase of scarce inventory. Some version...

SWE

caching

storage

messaging

scaling

backend

medium

Frequency

Low

Last asked

2026-06-23

Stage

onsite-system-design

Comments