System design

Walmart System Design Questions

Every system design problem candidates reported at Walmart between September 2025 and September 2026, most-asked first. Each one links to a full solution. Tick them off as you go.

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7problems
7candidate reports
0asked more than once
14topics
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Companies

Meta26Microsoft24Amazon23OpenAI22Google20TikTok16Salesforce15Anthropic15Uber12LinkedIn11Apple11JPMorgan11Atlassian11Snowflake9Netflix9Oracle9Goldman Sachs8Rippling8Databricks7Walmart7Airbnb7Capital One7NVIDIA6Pinterest6Roblox6Flipkart4Bloomberg4Visa4Adobe4Anduril1

Topics

Design a Large-Scale Real-Time Temperature Collection System
1 report · last seen Aug 2026IoTData PipelinesStorage
Intermediate+1▶ Mock
Design a Metrics Monitoring Dashboard
1 report · last seen Jul 2026ObservabilityData PipelinesStorage
Advanced+3▶ Mock
Design a Read- and Write-Heavy Product Catalog Service
1 report · last seen Jul 2026E-commerceCachingDatabases
Intermediate▶ Mock
Design an online ticket marketplace
1 report · last seen Mar 2026Distributed SystemsPaymentsBooking System
Beginner▶ Mock
Design a multi-carrier parcel delivery system
1 report · last seen Mar 2026E-commerceAPI DesignEvent Driven
Intermediate▶ Mock
Design Spring Boot for high availability and background work
1 report · last seen Jan 2026Distributed SystemsSchedulingDatabases
Intermediate▶ Mock
Design aggregator for multiple downstream services
1 report · last seen Dec 2025Distributed SystemsAPI DesignCaching
Intermediate▶ Mock

Duplicate reports of the same problem are merged and counted.

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Frequently Asked Questions

What system design questions does Walmart ask?

Candidates reported 7 distinct system design problems at Walmart between September 2025 and September 2026, including Design a Large-Scale Real-Time Temperature Collection System, Design a Metrics Monitoring Dashboard, Design a Read- and Write-Heavy Product Catalog Service.

How to prepare for Walmart system design interview?

Start with the Walmart problems reported most often, work through each full solution, then practice explaining a design end to end under time pressure in a mock interview.

What is the difference between HLD and LLD at Walmart?

HLD (High-Level Design) focuses on system architecture, scalability, and component interactions. LLD (Low-Level Design) dives into class diagrams, API contracts, and database schemas. Walmart tests both.