Walmart Labs Software Engineer Interview Questions
Practice the exact questions companies are asking right now.
Design Spring Boot for high availability and background work
System Design (Spring Boot) You are designing a Spring Boot application that must run reliably in production. 1. High availability & load balancing: H...
Answer Spring Boot and Thymeleaf engineering questions
Spring Boot + Thymeleaf (Engineering Questions) Answer the following interview questions with concrete debugging steps, best practices, and design cho...
Find shared courses between student pairs
Problem Set (Coding) You are given multiple coding questions from an interview. Implement each function as described. --- 1) Course Overlap You are gi...
Merge two sorted arrays in-place
You are given two integer arrays sorted in non-decreasing order, and two integers m and n: - nums1 has length m + n. The first m elements of nums1 con...
Design aggregator for multiple downstream services
Design a backend service for a large retailer (similar to Walmart) that must call many downstream services to fulfill a single user request. When a cl...
Provide self introduction, achievements, automation challenges, code quality, mentoring
Technical Screen: Behavioral and Leadership — Software Engineer Context You are interviewing for a Software Engineer role in a technical screen focuse...
Compute maximum simultaneous bus routes
You are given N bus routes, each defined by a start time (inclusive) and an end time (exclusive). Compute the maximum number of routes running simulta...
Describe past projects and impact
Behavioral: Deep Dive Into Past Projects (Software Engineer, Technical Screen) Provide 1–2 major software engineering projects from your recent experi...
Design airplane seatback entertainment with UI focus
Design an In‑Seat Personal Entertainment System (IFE) — UI/Interaction-Focused System Design Context You are designing a seatback personal entertainme...
Handle conflict and motivate engineering teams
You are interviewing for a Senior Software Engineer / Tech Lead role. The interviewer asks two related leadership questions: 1. Handling conflict ...