Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Walmart Labs Software Engineer Interview Questions

The questions to prepare for a Walmart Labs Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 18 questions · ~155 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsWalmart Labs
Coin ChangeMedium
Recently asked

Tests dynamic programming problem solving and correctness reasoning.

Dynamic ProgrammingGreedyWalmart Labs
Number of IslandsMedium
Recently asked

Tests your ability to apply graph traversal methods like BFS or DFS to grid problems.

dfsbfsGraphsWalmart Labs
More Coding questions with a free account
2
System Design6 questions · ~52 min
Ledger System DesignHard
Recently asked

Tests system design and data modeling for auditability, consistency, and performance.

system designledgerschema designWalmart Labs
Payment Processing System DesignHard
Recently asked

Tests system design skills for reliability, scalability, and payment-specific constraints.

system designarchitectureWalmart Labs
Scenario-Based System DesignHard

Evaluates your ability to structure and reason through an ambiguous system design scenario.

system designWalmart Labs
More System Design questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership24 questions · ~207 min
More Behavioral & Leadership questions with a free account
4
More topics2 questions · ~17 min
Troubleshooting a System IssueMedium

Evaluates your debugging approach, use of evidence, and escalation judgment.

TroubleshootingWalmart Labs
Distributed Systems Trade-offsHard

Evaluates distributed systems design judgment and ability to explain trade-offs.

Trade-offsdistributed systemsWalmart Labs
The finish line: interview-readyComplete all 50 questions to finish this plan.