Design
Warehouse Order Fulfillment System
Design a warehouse management system that picks, packs, and ships customer orders from inventory across multiple bins.
This is a Low-Level Design (LLD) problem. New to LLD vs HLD? Start here.
01 - Why interviewers ask this
It combines inventory correctness with a real optimization angle (pick-path ordering) — interviewers use it to see if you go beyond "reserve stock" into genuinely efficient fulfillment.
02 - Where this system exists in the real world
You interact with this design every day.
Amazon fulfillment center systems
Third-party logistics (3PL) warehouse software
Retail omnichannel order-routing systems
03 - What you'll master
Solve this once. Know it forever.
Allocate inventory across multiple bins atomically
Design an efficient pick-path ordering
Handle partial fulfillment and backorders
04 - What you'll design
6 functional · 2 non-functional requirements.
Track inventory quantity per SKU across multiple warehouse bins
5 more requirements inside
Sign in to unlock the full brief and start designing
05 - Companies that ask this
You may face this exact question in your next interview.
Ready?
Open the canvas.
Design it yourself.
See all requirements, use staged hints, run your code, and compare with community discussions - all on the same canvas.
More in Logistics