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Walmart Software Engineer III Interview Questions, Process, and Tips for Experienced
Top Walmart Software Engineer III Interview Questions and Answers for Experienced
- Q1. Microservices and their communication patterns. How is it implemented in your project and why?
- Q2. Which design pattern you follow and why? Show some example.
- Q3. Design a Garbage collector similar to Java Garbage Collector with minimum configurations.
Walmart Software Engineer III Interview Experiences for Experienced
14 interviews found
Anonymous
Selected
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
(2 Questions)
- Q1. DSA: Trapping Rain Water Leeetcode
- Q2. Dynamic Programming Question
(2 Questions)
- Q1. Java Basics - Stack vs heap memory, Advanced java concepts, Design patterns
- Q2. Spring Boot, JPA, Bean lifecycle, Stereotypes, Multithreading, String pool
(2 Questions)
- Q1. Resume projects, Caching
- Q2. Kafka
Interview Preparation Tips
- Java
- Spring Boot
- DSA
Selected
I applied via Approached by Company and was interviewed in Mar 2024. There were 5 interview rounds.
(1 Question)
- Q1. Interviewer asked two leetcode medium question and asked to solve on leetcode itself. Approach as well as optimization of the solution. Lasted around 1 hr.
(1 Question)
- Q1. Oops concepts, aws, Multithreading. One question related to custom sorting. Had to sort list of string using custom English alphabet. Then further asked to modify it in O(1) time complexity. Interviewer wa...
(1 Question)
- Q1. Segment was divided into two sections one for technical and one for non-technical. Lasted around 1.5 hr
(1 Question)
- Q1. Talked about basic hr questions like why walmart, why the swich and so on. Explained about walmart. Lasted around 15 min.
(1 Question)
- Q1. Walked me through the salary breakup. And no negotiation was there as they were pretty rigid about their offer and said with this you also get to work with such a big brand
Interview Preparation Tips
Be confident and back your answers.
I applied via Recruitment Consulltant and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. What is memoization, also write polyfill of memoize
- Ans.
Memoization is a technique used in programming to store the results of expensive function calls and return the cached result when the same inputs occur again.
Memoization helps improve the performance of a function by caching its results.
It is commonly used in dynamic programming to optimize recursive algorithms.
Example: Memoizing a Fibonacci function to avoid redundant calculations.
- Q2. What is Promise also write polyfill for Promise
- Ans.
A Promise is an object representing the eventual completion or failure of an asynchronous operation.
A Promise is used to handle asynchronous operations in JavaScript.
It represents a value that may be available now, or in the future.
A polyfill for Promise can be implemented using the setTimeout function to simulate asynchronous behavior.
Interview Preparation Tips
- Javascript
- React.Js
Skills evaluated in this interview
What people are saying about Walmart
I applied via LinkedIn and was interviewed in Oct 2022. There were 3 interview rounds.
(1 Question)
- Q1. 1. Introduce yourself 2. Talk about nature of current work 3. One medium question from leetcode related to dynamic programming- similar to knapsack problem 4. Why do you want ro change your job?
(1 Question)
- Q1. 1. Core Java concepts 2. Nature of work at current work place and design patterns used 3. One medium problem on the tougher side related to matrix
Interview Preparation Tips
The interviewers are very friendly.
Learn core Java concepts with clarity.
Be ready to give examples for the concepts.
Walmart interview questions for designations
Athang Kulkarni
Selected
I was interviewed before May 2023.
(2 Questions)
- Q1. Leetcode Cache Question
- Q2. Remove Leaf Nodes of Tree
- Ans.
Remove leaf nodes of a tree
Traverse the tree in postorder fashion
For each node, check if it is a leaf node (both children are null)
If it is a leaf node, remove it by setting its parent's reference to null
(2 Questions)
- Q1. Java Basics Questions
- Q2. Design Parking Lot
- Ans.
Design a parking lot system
Consider the size and layout of the parking lot
Include features like ticketing system, payment options, and security measures
Implement a system to track available parking spaces and manage vehicle entry/exit
Skills evaluated in this interview
Get interview-ready with Top Walmart Interview Questions
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There were 3 interview rounds.
Applied for front end engineer
Two sum
Find element in Matrix m*m changed to Find m*n on flow
Adding two linked list
(4 Questions)
- Q1. React js production grade login and dash board
- Q2. Flat polly fill
- Q3. Lodash get polly fill
- Q4. Map and filter poly fill
(1 Question)
- Q1. Hiring manager design related questions
Software Engineer III Jobs at Walmart
Selected
I applied via Job Portal and was interviewed before Apr 2023. There was 1 interview round.
(1 Question)
- Q1. There are 3 technical rounds
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Feb 2023. There was 1 interview round.
(1 Question)
- Q1. Coding problems, Spring, DSA
Selected
I applied via Referral and was interviewed before Nov 2022. There were 4 interview rounds.
Data structures and algorithms, leetcode medium level.
Java with data structures and algorithms round
(1 Question)
- Q1. Basic hr questions
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1. Data Structures, Algorithms
- Q2. Design a Garbage collector similar to Java Garbage Collector with minimum configurations.
- Ans.
Design a Java-like Garbage Collector with minimal configurations.
Choose a garbage collection algorithm (e.g. mark-and-sweep, copying, generational)
Determine the heap size and divide it into regions (e.g. young, old, permanent)
Implement a root set to keep track of live objects
Set thresholds for garbage collection (e.g. occupancy, time)
Implement the garbage collection algorithm and test for memory leaks
- Q3. Microservices and their communication patterns. How is it implemented in your project and why?
- Ans.
Microservices are implemented using RESTful APIs and message brokers for asynchronous communication.
RESTful APIs are used for synchronous communication between microservices.
Message brokers like Kafka or RabbitMQ are used for asynchronous communication.
Microservices communicate with each other using HTTP requests and responses.
Each microservice has its own database and communicates with other microservices through APIs...
- Q4. Which design pattern you follow and why? Show some example.
- Ans.
I follow the MVC design pattern as it separates concerns and promotes code reusability.
MVC separates the application into Model, View, and Controller components.
Model represents the data and business logic.
View represents the user interface.
Controller handles user input and updates the model and view accordingly.
MVC promotes code reusability and maintainability.
Example: Ruby on Rails framework follows MVC pattern.
Interview Preparation Tips
Skills evaluated in this interview
Walmart Interview FAQs
Some of the top questions asked at the Walmart Software Engineer III interview for experienced candidates -
The duration of Walmart Software Engineer III interview process can vary, but typically it takes about less than 2 weeks to complete.
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Walmart Software Engineer III Interview Process for Experienced
based on 7 interviews in last 1 year
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Walmart Software Engineer III Reviews and Ratings
based on 129 reviews
Rating in categories
|
Software Engineer III
1.7k
salaries
|  ₹14.5 L/yr - ₹47 L/yr |
|
Senior Software Engineer
1.2k
salaries
| ₹21.6 L/yr - ₹80 L/yr |
|
Software Engineer
761
salaries
| ₹12 L/yr - ₹45 L/yr |
|
Assistant Team Leader
236
salaries
| ₹1.3 L/yr - ₹4.9 L/yr |
|
Software Development Engineer 3
234
salaries
| ₹15.6 L/yr - ₹46 L/yr |
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