I applied online. I interviewed at Walmart (Bengaluru) in Feb 2020
Interview
Process was smooth. HR team was really helpful. They assigned a room to each candidate and interviewer was coming there by themselves.
They offered free lunch to every candidate.
Interview questions [1]
Question 1
Round1 :
1.Little bit discussion about previous projects.
2. Reason to use particular technologies in project. (like in my case why mongodb used)
3. Find unique pairs of sum in array of unsorted array.
e.g - array a[]= [4,3,1,2,5]
print pairs whose sum is 5.
answer = (1,4), (2,3)
4. In Linked List, a node to be deleted. but in this i am not having refence of head node. I am having reference of that node which need to be deleted and order of linked list also remains same.
e.g - linked list as 1 -> 2-> 3-> 4-> 5->null
Node head reference is at 3 , not at first element, delete 3 from list.
5. What is Singelton Class in java? How to create ?
6. Internal working of Hashmap.
Round 2 :
1. Detailed discussion about project.
2. If my server is capable of handling 10 requests at a time and 100 hits come together, how to handle in that case?
3. Binary Tree DS Questions - Find Height of tree
4. Level Order Traversal Of Binary Tree
5. What improvements you have brought in your project.
6. Name some of key challenges, which you fixed.
Round 3 :
1. Little Discussion On Project.
2. Design Messenger System.
3. Stateful vs Stateless.
4. What is Caching?
5. How redis store data? Why you use it in your project.
6. Rest v/s Soap
7. Why Walmart?
Expect standard DSA questions focused on Maps and Trees, including traversal and optimization. There will likely be a system design interview to discuss architecture and scalability, followed by a Hiring Manager round covering experience, projects, and problem-solving approach.
Interview questions [1]
Question 1
Expect standard DSA questions focused on Maps and Trees
I applied through university. I interviewed at Walmart (Delta, BC) in Jan 2026
Interview
5 step interview, I think it was way too much. They should not be stressing applicants like this. They should let you dictate what operating procedures you can demo without rancomly giving it to you on the spot.
Interview questions [1]
Question 1
Many questions about GraphQL and node.js for internal applications.
I applied online. I interviewed at Walmart in Jan 2026
Interview
The process was a Karat interview, technical video interview, and then the onsite. I was asked many questions about Java Springboot, but the position I applied did not mention anything about Java.