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Walmart Labs Interview Questions, Process, and Tips

Updated 11 Jan 2025

Top Walmart Labs Interview Questions and Answers

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Walmart Labs Interview Experiences

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47 interviews found

Interview Questionnaire 

13 Questions

  • Q1. There is 3*3 RUBIX cube, Can you find data structure for solving rubix cube
  • Ans. 

    A graph data structure can be used to solve a Rubix cube.

    • Each cubelet can be represented as a node in the graph.

    • Edges can be added between nodes to represent possible moves.

    • A search algorithm like BFS or DFS can be used to find the solution.

  • Answered by AI
  • Q2. Given array of weights(infinite supply), can you find that given weight can be formed by using those set of weights?(dynamic programming,geeksforgeeks)
  • Ans. 

    Dynamic programming solution to find if a given weight can be formed using an array of weights

    • Create a boolean array of size (given weight + 1) to store if a weight can be formed or not

    • Initialize the first element of the boolean array to true

    • Iterate through the array of weights and for each weight, iterate through the boolean array and mark true for all weights that can be formed using the current weight

    • Return the valu...

  • Answered by AI
  • Q3. If Redo and Undo operations have to perform, which datastructure can we use?(stack)
  • Ans. 

    Stack data structure is suitable for implementing Redo and Undo operations.

    • Stack follows Last-In-First-Out (LIFO) order, which is ideal for undoing and redoing operations.

    • When an operation is performed, it can be pushed onto the stack for undoing later.

    • To redo an operation, the previously undone operations can be popped from the stack.

    • Stack provides efficient insertion and deletion at one end, making it suitable for un

  • Answered by AI
  • Q4. Can you explain me about Router ?
  • Ans. 

    A router is a networking device that forwards data packets between computer networks.

    • Routers operate at the network layer of the OSI model.

    • They use routing tables to determine the best path for data packets to travel.

    • Routers can connect multiple networks together, such as a home network to the internet.

    • They can also provide security by blocking unauthorized access to a network.

    • Examples of routers include Cisco, Netgear

  • Answered by AI
  • Q5. Can you explain the project that you mentioned in resume?
  • Ans. 

    Developed a web-based project management tool for a client

    • Used React.js for the frontend and Node.js for the backend

    • Implemented user authentication and authorization using JWT

    • Integrated with third-party APIs such as Google Drive and Trello

    • Implemented real-time notifications using WebSockets

    • Deployed the application on AWS EC2 instance

  • Answered by AI
  • Q6. One simple puzzle?(cant explain through words)
  • Q7. Normal HR questions
  • Q8. It is like Preplacement talk
  • Q9. Two wire burning puzzle(ans: 45min)
  • Q10. Triangle and three ants puzzle(ans: collision prob: 3/4)
  • Q11. Explain about how internet works?
  • Ans. 

    The internet is a global network of interconnected devices that communicate with each other using standardized protocols.

    • The internet is made up of millions of interconnected devices such as computers, servers, routers, and switches.

    • Data is transmitted across the internet using standardized protocols such as TCP/IP.

    • The internet is accessed through Internet Service Providers (ISPs) who provide users with a connection to...

  • Answered by AI
  • Q12. One more coding question from array!
  • Q13. How to find number of paths in tree such that sum of the values in those nodes will be equal to count?(hint:recursion)
  • Ans. 

    Finding number of paths in tree with sum of node values equal to count using recursion.

    • Use recursion to traverse the tree and keep track of the sum of node values.

    • At each node, check if the current sum equals the desired count.

    • If yes, increment the path count.

    • Recursively traverse the left and right subtrees.

    • Return the total path count.

    • Example: Given a tree with values [10, 5, -3, 3, 2, null, 11], count the number of pa...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Coding test conducted through HackerRank website. There are three codes.I think 1.30 hour duration for the test.
Tips: Practice codes from Geeksforgeeks.com, hackerrank.com, hackerearth.com.
(practice more of dynamic problem examples and 2D array problems (datastructures also).

Round: Technical Interview
Experience: They are very friendly. If you stuck some where, they will give you hints to think further. They are so much friendly, You will not get any fear.


Tips: Dont think complicately. They will see our CV before our interview. They will know in which area you are good. Dont argue with them .just answer if you know, otherwise ask for hints.

Round: Puzzle Interview
Experience: He is so friendly,
Tips: be prepare puzzles from geekspuzzles and interviewbits.com

Round: Technical Interview
Experience: they are so friendly. Maintain smile. Whatever you are doing, be interactive with them. Dont make them bore.
Tips: Prepare more logical questions too.

Round: HR Interview
Experience: I frankly answer every question. I knew that I did well in three technical rounds.so I had hope that I would select.
Tips: Dont panic. Read you resume before going for interview. No need to prepare. Answer according to question.

Round: HR Interview
Experience: They said that there will be another HR round. There it self I saturated with those many rounds. I went inside, but that is not HR round. It is like just interactive session. He asked me, "do you know anything about the company?". I replied him that It developed e-commerce sites and apps related to that. But he said that is not the actual work it is doing. He explained about company for 15 minutes. I realized that he is interested in hiring me. He asking me about Company .Then I said , "sorry sir, I dont know anything about company because I just get to know about that I shortlisted for interview at 6.00clock morning. I dont have time to know about company but I know CEO name(s) and I told to him. He said "will you attend other company interviews?". I replied " I will If you are not hiring me. That depends on your decision". He asked "What will be you next aim?". I replied "I will be in resposible position as you are now". He said "dont go for other company interviews, wait for a second". He came with few gifts and Instructions letter and said "you are finally selected". All the interviewers came to wish me and took selfie. GREAT INTERVIEW EXPERIENCE with GREAT INTERVIEWERS for GREAT COMPANY.

Skills:
College Name: IIT Kharagpur

Skills evaluated in this interview

Top Walmart Labs Software Engineer Interview Questions and Answers

Q1. how to find number of paths in tree such that sum of the values in those nodes will be equal to count?(hint:recursion)
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

The interview consisted of five rounds, with each round serving as an elimination stage. There were questions regarding the development of a product using a niche market.

Round 2 - Case Study 

There were many questions regarding the Coca-Cola case study.

Round 3 - HR 

(2 Questions)

  • Q1. What were the primary topics discussed during the interview, particularly regarding salary and behavioral questions?
  • Q2. What experiences do you have with negotiating job offers? salary discussion

Associate Product Manager Interview Questions asked at other Companies

Q1. 2. You have water filled Jar X and empty Jar Y. You transferred a portion of water from Jar X to Y using spunch which absorbs A% of water and it pours B% of water in Jar B. After one iteration, Z ml of water is present in Jar Y find water i... read more
View answer (2)
Walmart Labs Interview Questions and Answers for Freshers
illustration image
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Coding Test 

1 Hour Leetcode style medium difficulty question. Test was taken on hacker rank.

Round 2 - Technical 

(2 Questions)

  • Q1. Computer vision related question on object detections
  • Q2. Question on model training, evaluation etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall easy to medium difficult question.

Senior Data Scientist Interview Questions asked at other Companies

Q1. What is the difference between logistic and linear regression?
View answer (4)

Interview Questions & Answers

user image Anonymous

posted on 11 Jan 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Tell me about youself
  • Ans. 

    I am a software engineer with 5 years of experience in developing web applications using various technologies.

    • 5 years of experience in software development

    • Proficient in developing web applications

    • Skilled in using various technologies

  • Answered by AI
  • Q2. Software architecture

Walmart Labs interview questions for popular designations

 Software Engineer

 (12)

 Software Engineer III

 (5)

 Software Developer

 (4)

 Product Manager

 (2)

 Associate Product Manager

 (1)

 Statistical Analyst

 (1)

 Software Engineer II

 (1)

 Software Development Engineer

 (1)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Array based question
  • Q2. DP based question
Round 2 - Technical 

(2 Questions)

  • Q1. Internal implementation of HashMap
  • Ans. 

    HashMap is implemented using an array of linked lists to store key-value pairs.

    • HashMap consists of an array of buckets, each containing a linked list of key-value pairs.

    • Hashing function is used to determine the index of the bucket where a key-value pair will be stored.

    • Collision resolution techniques like chaining or open addressing are used to handle collisions.

    • HashMap allows null keys and values, but only one null key

  • Answered by AI
  • Q2. In depth javascript concepts
Round 3 - Behavioral 

(2 Questions)

  • Q1. Project based discussion
  • Q2. Design for a date picker in javascript
  • Ans. 

    A date picker in JavaScript allows users to select a date from a calendar interface.

    • Use HTML input element with type 'date' for modern browsers

    • For older browsers, use a JavaScript library like jQuery UI Datepicker

    • Implement validation to ensure selected date is within acceptable range

  • Answered by AI

Skills evaluated in this interview

Top Walmart Labs Software Engineer III Interview Questions and Answers

Q1. What are the key components of frontend system design?
View answer (1)

Software Engineer III Interview Questions asked at other Companies

Q1. Find the highest floor, from where if an egg is dropped will not break. k floor building and n eggs are given.
View answer (2)

Get interview-ready with Top Walmart Labs Interview Questions

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Coding Test 

10 random qs on software things, and 2 qs leetcode style one easy and one easy medium

Interview Preparation Tips

Topics to prepare for Walmart Labs Software Developer Intern interview:
  • DSA

Software Developer Intern Interview Questions asked at other Companies

Q1. Sum of Maximum and Minimum Elements Problem Statement Given an array ARR of size N, your objective is to determine the sum of the largest and smallest elements within the array. Follow Up: Can you achieve the above task using the least numb... read more
View answer (5)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Coding Test 

Leetcode Medium - Arrays, HashMaps

Top Walmart Labs Software Engineer Interview Questions and Answers

Q1. how to find number of paths in tree such that sum of the values in those nodes will be equal to count?(hint:recursion)
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. They asked knapsack problem
  • Q2. They asked reverse linked list

Lead Software Engineer Interview Questions asked at other Companies

Q1. Square Root with Decimal Precision Problem Statement You are provided with two integers, 'N' and 'D'. Your objective is to determine the square root of the number 'N' with a precision up to 'D' decimal places. This implies that the discrepa... read more
View answer (1)

Software Engineer III Interview Questions & Answers

user image PRATYUSH PATWA

posted on 22 Jul 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Implement Stack using Queue.
  • Ans. 

    Implement a stack using a queue data structure.

    • Use two queues to simulate a stack.

    • Push operation: Enqueue the element to queue 1.

    • Pop operation: Dequeue all elements from queue 1 to queue 2, dequeue the last element from queue 2.

    • Top operation: Return the front element of queue 1.

    • Empty operation: Check if both queues are empty.

  • Answered by AI
  • Q2. Use two thread two print From 1 to 10 where Thread A will be for odd and Thread B will be for even.
  • Ans. 

    Use two threads to print numbers 1 to 10, with Thread A printing odd numbers and Thread B printing even numbers.

    • Create two threads, one for odd numbers and one for even numbers

    • Use a shared variable to keep track of the current number being printed

    • Use synchronization mechanisms like mutex or semaphore to ensure proper sequencing of numbers

  • Answered by AI

Skills evaluated in this interview

Top Walmart Labs Software Engineer III Interview Questions and Answers

Q1. What are the key components of frontend system design?
View answer (1)

Software Engineer III Interview Questions asked at other Companies

Q1. Find the highest floor, from where if an egg is dropped will not break. k floor building and n eggs are given.
View answer (2)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Find the subarray with given sum.
  • Ans. 

    Find subarray with given sum in an array of integers.

    • Use a sliding window approach to find subarray with sum equal to given sum.

    • Keep track of current sum and adjust window size accordingly.

    • Return the indices of the subarray if found, else return an empty array.

  • Answered by AI
  • Q2. Java concurrency question
Round 2 - One-on-one 

(1 Question)

  • Q1. Questions based on bst
Round 3 - One-on-one 

(1 Question)

  • Q1. Mostly managerial questions

Skills evaluated in this interview

Top Walmart Labs Software Engineer Interview Questions and Answers

Q1. how to find number of paths in tree such that sum of the values in those nodes will be equal to count?(hint:recursion)
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Easy DP questions
Round 2 - One-on-one 

(1 Question)

  • Q1. Write java code for given problem
  • Ans. 

    Java code to find the longest common prefix among an array of strings

    • Create a function that takes in an array of strings as input

    • Initialize a variable to store the longest common prefix

    • Iterate through the characters of the first string and compare with the corresponding characters of other strings

    • Return the longest common prefix

  • Answered by AI
Round 3 - Behavioral 

(1 Question)

  • Q1. About existing project and architecture

Skills evaluated in this interview

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)
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Walmart Labs Interview FAQs

How many rounds are there in Walmart Labs interview?
Walmart Labs interview process usually has 2-3 rounds. The most common rounds in the Walmart Labs interview process are Technical, Coding Test and One-on-one Round.
How to prepare for Walmart Labs interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Walmart Labs. The most common topics and skills that interviewers at Walmart Labs expect are Networking, Information Technology, Monitoring, SEZ and Consulting.
What are the top questions asked in Walmart Labs interview?

Some of the top questions asked at the Walmart Labs interview -

  1. how to find number of paths in tree such that sum of the values in those nodes ...read more
  2. There is 3*3 RUBIX cube, Can you find data structure for solving rubix c...read more
  3. If Redo and Undo operations have to perform, which datastructure can we use?(st...read more
How long is the Walmart Labs interview process?

The duration of Walmart Labs interview process can vary, but typically it takes about less than 2 weeks to complete.

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Walmart Labs Interview Process

based on 35 interviews

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Walmart Labs Reviews and Ratings

based on 97 reviews

3.8/5

Rating in categories

3.5

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3.6

Work-life balance

3.9

Salary

3.8

Job security

3.5

Company culture

3.0

Promotions

3.4

Work satisfaction

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