Walmart Interview Questions, Process, and Tips for Experienced

Easy to medium level questions

Q1. Spark concept, scala concept
Add your answer

Q1. Scala questions and problem solving
Add your answer

Q1. Prepared why are you leaving current organisation
Add your answer

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.
Answered by AI
Add your answer
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.
Answered by AI
Add your answer

2 medium leetcode questions based on sliding window and DP

Q1. A simple react application followed by react specific questions
Add your answer
Q2. Javascript standard questions
Add your answer

Q1. Previous project related questions
Add your answer
Q2. Behavioral questions
Add your answer

Q1. Prototype read values from url map vs for
Ans. 
Reading values from URL using map vs for loop in JavaScript
• Use the window.location.search property to get the query string from the URL

• Map can be used to transform each value in the query string array

• For loop can be used to iterate through each value in the query string array
Answered by AI
Add your answer

Q1. Create ui component to display matched results in dropdown
Ans. 
Create a UI component to display matched results in a dropdown
• Use HTML, CSS, and JavaScript to create the dropdown component

• Implement a search functionality to filter and display matched results

• Use event listeners to handle user interactions like selecting a result
Answered by AI
Add your answer

Q1. Frontend design -
Ans. 
Frontend design involves creating the user interface of a website or application.
• Focus on user experience and usability

• Use responsive design for different screen sizes

• Implement accessibility features for users with disabilities
Answered by AI
Add your answer

Q1. Round 1 was with hiring manager, questions were around background experience and case interview with deep dive into network design and metrics. Went well
Add your answer

Round 2: Deep dive into setting up the systems for a company doing xx work. Dwelled into details of system requirements, user personas, platform needs, how to setup the network etc etc. Interview went quite well
But for some reason none of the further interviews were scheduled despite this be a round of 4-5 panel interviews and HR stopped responding, For a senior role, this is poor candidate experience

Q1. Java coding with basic concepts
Add your answer

Q1. Bdd and selenium coding
Add your answer