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Walmart Labs Software Engineer III Interview Questions, Process, and Tips

Updated 17 Dec 2024

Top Walmart Labs Software Engineer III Interview Questions and Answers

  • Q1. What are the key components of frontend system design?
  • Q2. Use two thread two print From 1 to 10 where Thread A will be for odd and Thread B will be for even.
  • Q3. What are the basics of JavaScript and ES6 modules?
View all 7 questions

Walmart Labs Software Engineer III Interview Experiences

5 interviews found

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

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

Software Engineer III Interview Questions Asked at Other Companies

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asked in Walmart
Q2. What would be the ideal data structure to represent people and fr ... read more
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Q3. Custom implementation of stack where there are two additional met ... read more
asked in UST
Q4. =>What is garbage collection in c# =>What is dispose and fi ... read more
asked in Walmart
Q5. Given a tree and a node, print all ancestors of Node
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Dec 2023. There were 5 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. What are the basics of JavaScript and ES6 modules?
  • Ans. 

    JavaScript is a popular programming language used for web development. ES6 modules are a way to organize and reuse code in JavaScript.

    • JavaScript is a high-level, interpreted programming language commonly used for client-side web development.

    • ES6 modules allow developers to split their code into separate files and import/export functions, variables, and classes between them.

    • ES6 introduced 'import' and 'export' keywords f...

  • Answered by AI
Round 2 - Coding Test 

Provide additional information regarding CSS, HTML coding, and the coding scenario in React.

Round 3 - Technical 

(1 Question)

  • Q1. What are the key components of frontend system design?
  • Ans. 

    Key components of frontend system design include user interface, data management, state management, and performance optimization.

    • User Interface: Designing the layout, navigation, and visual elements of the frontend.

    • Data Management: Handling data fetching, storage, and manipulation within the frontend.

    • State Management: Managing the state of the application to ensure data consistency and reactivity.

    • Performance Optimizati...

  • Answered by AI
Round 4 - One-on-one 

(1 Question)

  • Q1. What projects have you worked on, and can you discuss your contributions to them?
  • Ans. 

    I have worked on various projects including a mobile app for tracking fitness goals and a web application for managing inventory.

    • Developed a mobile app using React Native to track fitness goals and provide workout plans.

    • Contributed to a web application built with Angular for managing inventory and tracking sales.

    • Implemented RESTful APIs for communication between front-end and back-end systems.

    • Collaborated with cross-fu...

  • Answered by AI
Round 5 - HR 

(1 Question)

  • Q1. Salary discussion and personal discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Sort 0 1 2 array binary tree left view
  • Ans. 

    Sort an array of 0s, 1s, and 2s and find the left view of a binary tree.

    • To sort the array of 0s, 1s, and 2s, you can use the Dutch National Flag algorithm which sorts the array in a single pass.

    • To find the left view of a binary tree, perform a level order traversal and keep track of the first node at each level.

  • Answered by AI
Round 2 - One-on-one 

(1 Question)

  • Q1. Questions on java garbage collector
Round 3 - One-on-one 

(1 Question)

  • Q1. Manager and behavioral round

Skills evaluated in this interview

Walmart Labs interview questions for designations

 Software Engineer

 (12)

 Software Development Engineer

 (1)

 Software Engineer II

 (1)

 Lead Software Engineer

 (1)

 Senior Software Engineer

 (1)

 Software Developer

 (4)

 Software Engineer2

 (1)

 Software Developer Intern

 (1)

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Instahyre and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Coding Test 

Given an array containing only numbers 0,1,2, arrange all 0s,1s and 2s together without using sorting technique.
It can be solved using flag problem

Get interview-ready with Top Walmart Labs Interview Questions

Interview questions from similar companies

I applied via Referral and was interviewed before Sep 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Steps to make software secure
  • Ans. 

    Steps to make software secure

    • Perform regular security audits

    • Implement secure coding practices

    • Use encryption for sensitive data

    • Implement access controls and authentication

    • Stay up-to-date with security patches and updates

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Questions will be asked based on your previous projects. What technology decision you took and why.

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before Feb 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Java hackerank test on 5 questions

Round 2 - One-on-one 

(1 Question)

  • Q1. Project overview, system design
Round 3 - HR 

(1 Question)

  • Q1. What initiatives taken
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. It was about arrays
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Phone Screening 

(1 Question)

  • Q1. Question based on resume and your experience
Round 2 - Coding Test 

Some question on bfs

Round 3 - Coding Test 

Some question on tree

Round 4 - Coding Test 

Some question on array

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Given a Tree with 0's and 1's find number of distinct islands. Joined 1's together form an island.
  • Ans. 

    Count the number of distinct islands in a tree with 0's and 1's where joined 1's form an island.

    • Traverse the tree and identify connected components of 1's to form islands.

    • Use a set to store the unique shapes of islands to avoid counting duplicates.

    • Consider different shapes of islands like horizontal, vertical, diagonal, etc.

    • Example: [['1', '0', '1'], ['1', '1', '0']] has 2 distinct islands.

  • Answered by AI

Skills evaluated in this interview

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Walmart Labs Interview FAQs

How many rounds are there in Walmart Labs Software Engineer III interview?
Walmart Labs interview process usually has 2-3 rounds. The most common rounds in the Walmart Labs interview process are Technical, One-on-one Round and Coding Test.
How to prepare for Walmart Labs Software Engineer III 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 Information Technology, Monitoring, Networking, Retail and Coding.
What are the top questions asked in Walmart Labs Software Engineer III interview?

Some of the top questions asked at the Walmart Labs Software Engineer III interview -

  1. What are the key components of frontend system desi...read more
  2. Use two thread two print From 1 to 10 where Thread A will be for odd and Thread...read more
  3. What are the basics of JavaScript and ES6 modul...read more

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Walmart Labs Software Engineer III Interview Process

based on 5 interviews

1 Interview rounds

  • Technical Round
View more

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Walmart Labs Software Engineer III Salary
based on 10 salaries
₹27.2 L/yr - ₹36 L/yr
14% more than the average Software Engineer III Salary in India
View more details

Walmart Labs Software Engineer III Reviews and Ratings

based on 7 reviews

3.6/5

Rating in categories

3.5

Skill development

2.5

Work-life balance

3.2

Salary

4.2

Job security

3.3

Company culture

2.7

Promotions

3.2

Work satisfaction

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