WALMART GLOBAL TECH · SYSTEM DESIGN
Walmart Global Tech system design interview questions
Entry loops lean on DSA and Java depth with light design. SE III adds LLD or HLD, and Senior and above get a dedicated HLD round probing microservices, Kafka ordering, caching and active-active setups.
Which levels get a design round
| Level | Walmart Global Tech title | Design round | Low-level design |
|---|---|---|---|
| SDE 1 | Software Engineer II (entry) | Usually not | – |
| SDE 2 | Software Engineer III | Yes | Yes |
| Senior Software Engineer (SDE 3) | Senior Software Engineer | Yes | – |
| Staff Software Engineer | Staff Software Engineer and above | Usually not | – |
Design questions candidates report
-
Read-heavy, multi-region feed
How to design a ranked social news feed for a billion daily users: scope, traffic and memory math for per-user inboxes, the feed API and data model, fan-out of friend posts through an event stream, candidate generation and multi-stage ranking, privacy filtering at read time, seen-state and new-post signals, and the trade-offs you should name.
Full walkthrough: News Feed Practise on the design board -
Music streaming app
How to design a music streaming service like Spotify: requirements, listening and catalog math, why audio is a small-file problem unlike video, CDN delivery with a client cache and gapless prefetch, per-country rights checks, a versioned playlist model for collaborative edits, offline downloads with licence expiry, play counts accurate enough for royalties, batch recommendations, and the trade-offs.
Full walkthrough: Spotify
Also reported
- Inventory management system
- Order schema design
- A/B testing infrastructure
How to answer any design question: the LADDER method · How the design round is scored by level · Low-level design and machine coding
Questions people ask
When does Walmart Global Tech ask system design?
A design round is part of the loop for SDE 2 (Software Engineer III), Senior Software Engineer (SDE 3) (Senior Software Engineer). Entry loops lean on DSA and Java depth with light design. SE III adds LLD or HLD, and Senior and above get a dedicated HLD round probing microservices, Kafka ordering, caching and active-active setups.
What system design questions does Walmart Global Tech ask?
Candidates report: Read-heavy, multi-region feed; Music streaming app; Inventory management system; Order schema design; A/B testing infrastructure.
System design questions at other companies
- Amazon
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- Meta
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- Netflix
- Uber
- Airbnb
- Stripe
- Atlassian
- Goldman Sachs
- Salesforce
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- Adobe
- Flipkart
- PhonePe
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System design questions across all companies · Behavioral questions