Walmart Labs Software Engineer Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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...
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 ...
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...
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...
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...
Find earliest feasible hike day and minimal ascent
给定 base[i]（每个点的基础海拔）和 snow[day][i]（第 day 天落在第 i 个点的降雪量，单位 cm）。每天每个点的积雪按以下规则变化：若某点连续 2 天降雪量均为 0，则从第 3 天起该点的积雪开始以每天 1 cm 的速度融化，直到为 0；否则当日的降雪会累加到该点的积雪中。实...
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...
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...