Walmart Labs Software Engineer Interview Questions
Practice the exact questions companies are asking right now.

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Design a multi-carrier parcel delivery system
Design a system for shipping customer parcels that supports multiple delivery partners/carriers (e.g., UPS, USPS, FedEx). Your system should enable an...
Shortest Talent-Covering Team Starting At Each Index
There are n students in a line. Each student has exactly one talent represented by an integer from 1 to talentsCount. A valid team is a contiguous sub...
Implement a Shape interface using OOP
This question evaluates a candidate's competency in object-oriented design and implementation, covering concepts such as interfaces, encapsulation, po...
Design an online ticket marketplace
Design a Ticketmaster-like system for discovering events and buying tickets. Your design should cover: - Functional requirements (e.g., browse/search ...
Answer leadership scenarios about influence and integrity
Answer the following behavioral questions with concrete examples (use STAR: Situation, Task, Action, Result): 1. Describe a time you convinced others ...
Design Spring Boot for high availability and background work
This question evaluates a candidate's competency in designing highly available, load-balanced Spring Boot applications and architecting resilient back...
Find shared courses between student pairs
This problem set evaluates data structures and algorithms competencies, covering mapping and set intersection for pairwise course overlap, permutation...
Minimize the Maximum Edge on a Path
Minimize the Maximum Edge on a Path You are given a weighted undirected graph and two vertices, start and target. Define the stress of a path as the l...
Answer Spring Boot and Thymeleaf engineering questions
This question evaluates a developer's competency with Spring Boot and Thymeleaf, covering debugging memory and session issues, designing dependency st...
Design aggregator for multiple downstream services
This question evaluates system-design and distributed-systems skills, focusing on microservice aggregation, fan-out/fan-in concurrency, fault toleranc...
Design airplane seatback entertainment with UI focus
Design airplane seatback entertainment with UI focus Design an In‑Seat Personal Entertainment System (IFE) — UI/Interaction-Focused System Design Cont...
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...
Implement lexicographically smallest Two Sum
You are given an unsorted integer array nums and an integer target. Return the indices [i, j] (0-based) such that i < j and nums[i] + nums[j] == targe...
Check whether brackets are balanced
This question evaluates a candidate's competency in string processing and bracket-matching concepts, testing familiarity with linear-time algorithms a...
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 ...
Provide self introduction, achievements, automation challenges, code quality, mentoring
Provide self introduction, achievements, automation challenges, code quality, mentoring Technical Screen: Behavioral and Leadership — Software Enginee...
Compute days until plants stop dying
You are given a row of plants, each with an integer pesticide level. Rules - On each day, any plant with a strictly greater pesticide level than the p...
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...
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...
Count ways to make change (DP)
This question evaluates understanding of dynamic programming and combinatorial counting, focusing on unbounded coin usage and counting order‑independe...