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Walmart Data Engineer Interview Questions and Answers

Updated 9 Oct 2024

Walmart Data Engineer Interview Experiences

8 interviews found

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

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

Round 1 - Technical 

(2 Questions)

  • Q1. Data Structures
  • Q2. Algorithms concepts
Round 2 - One-on-one 

(2 Questions)

  • Q1. Data Engineering Concepts
  • Q2. Spark and pyspark

Data Engineer Interview Questions & Answers

user image Ankita Gulati

posted on 4 Oct 2024

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

Based on python and sql

Round 2 - Technical 

(2 Questions)

  • Q1. Related to spark
  • Q2. Dimensional Modelling

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Data Engineer Interview Questions & Answers

user image Anonymous

posted on 14 Jul 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Static allocation in spark. 10TB of file needs to be processed in spark, what configuration (executors and cores) would you choose and why?
  • Ans. 

    For processing 10TB of file in Spark, consider allocating multiple executors with sufficient cores to maximize parallel processing.

    • Allocate multiple executors to handle the large file size efficiently

    • Determine the optimal number of cores per executor based on the available resources and workload

    • Consider the memory requirements for each executor to avoid out-of-memory errors

    • Adjust the configuration based on the specific

  • Answered by AI

Skills evaluated in this interview

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 19 Mar 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
2-4 weeks
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Spark architecture
  • Q2. Sql code medium level

Walmart interview questions for designations

 Senior Data Engineer

 (4)

 Data Engineer 1

 (1)

 Data Engineer 2

 (1)

 Data Engineer 3

 (1)

 Data Scientist

 (8)

 Data Analyst

 (4)

 Senior Data Analyst

 (6)

 Senior Data Scientist

 (1)

I applied via Approached by Company and was interviewed in Jun 2022. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Round 1 was with manager, he asked questions about current project and some questions based on spark.
  • Q2. Lazy Evaluation, configuration for running a spark jobs
Round 2 - Technical 

(2 Questions)

  • Q1. This is where the nightmare started, 1 scenario based coding questions and 3 sql questions were asked. The questions were of hacker rank level, its not that I couldn't solve those but for a guy who have wo...
  • Q2. 1. Design and code a scheduler for allocating meeting rooms for the given input of room counts and timestamps: Input : No of rooms : 2 Time and dutation: 12pm 30 min Output: yes. Everytime th...
  • Ans. 

    Design and code a scheduler for allocating meeting rooms based on input of room counts and timestamps.

    • Create a table with columns for room number, start time, and end time

    • Use SQL queries to check for available slots and allocate rooms

    • Consider edge cases such as overlapping meetings and room availability

    • Use a loop to continuously check for available slots and allocate rooms

    • Implement error handling for invalid input

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepared outside the job role. Too much expectations for experienced employees in coding

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 26 Jan 2023

Interview experience
4
Good
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Mostly SQL advanced questions
  • Q2. Few Programming questions on Python
Round 3 - Technical 

(1 Question)

  • Q1. SQL, Python and Azure Questions
Round 4 - HR 

(1 Question)

  • Q1. Compensation and benefits

Interview Preparation Tips

Interview preparation tips for other job seekers - For Data engineering, SQL is the most important skill that one need to have. Would advice honing that skill mostly.

Data Engineer Jobs at Walmart

View all

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 11 Feb 2024

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

I applied via Recruitment Consulltant and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - Coding Test 

SQL, Spark, Hive, Python

Interview Preparation Tips

Interview preparation tips for other job seekers - Mostly SQL Question which include complex joins including two or more tables, job optimisation in scala/spark.

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 11 May 2021

Interview Questionnaire 

2 Questions

  • Q1. Enhance your theoritical knowledge.
  • Q2. Coding skills using collections
  • Ans. 

    Collections are essential for efficient data manipulation in Python. A strong grasp of collections is crucial for a data engineer.

    • Familiarity with lists, tuples, sets, and dictionaries

    • Understanding of when to use each collection type

    • Ability to manipulate and iterate through collections

    • Knowledge of built-in collection methods and functions

    • Experience with third-party collection libraries like NumPy and Pandas

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: It was a blend of topics from IT,CSE and ECE. Try to concentrate on coding and networks for this round. mostly luck based

Round: Group Discussion
Experience: A very easy round. Can easily clear it if you have minimum skills

Round: Technical Interview
Experience: needs a sound knowledge in networking .

Round: HR Interview
Experience: your personality and the way you behave matters a lot. Try to be humble and truthful

General Tips: as I mentioned earlier keep trying never loose hope
Skills: communication skills, grasping power , knowledge
College Name: VIT VELLORE
Motivation: high package :P
Funny Moments: none . but had to go to bangalore for interview which was fun :)

I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.

Interview Preparation Tips

Round: Test
Experience: Tested basics in each subject

Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.

Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.

College Name: IIT Madras
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Walmart Interview FAQs

How many rounds are there in Walmart Data Engineer interview?
Walmart interview process usually has 1-2 rounds. The most common rounds in the Walmart interview process are Technical, One-on-one Round and Coding Test.
How to prepare for Walmart Data Engineer 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. The most common topics and skills that interviewers at Walmart expect are SQL, Python, Monitoring, Computer science and Business Intelligence.
What are the top questions asked in Walmart Data Engineer interview?

Some of the top questions asked at the Walmart Data Engineer interview -

  1. 1. Design and code a scheduler for allocating meeting rooms for the given input...read more
  2. Static allocation in spark. 10TB of file needs to be processed in spark, what c...read more
  3. Coding skills using collecti...read more

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Walmart Data Engineer Interview Process

based on 6 interviews

2 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
View more
Walmart Data Engineer Salary
based on 204 salaries
₹9.7 L/yr - ₹41.5 L/yr
124% more than the average Data Engineer Salary in India
View more details

Walmart Data Engineer Reviews and Ratings

based on 23 reviews

3.3/5

Rating in categories

3.3

Skill development

3.1

Work-life balance

3.3

Salary

3.7

Job security

3.2

Company culture

2.5

Promotions

2.8

Work satisfaction

Explore 23 Reviews and Ratings
STAFF, DATA ENGINEER

Bangalore / Bengaluru

9-14 Yrs

Not Disclosed

SENIOR, DATA ENGINEER

Bangalore / Bengaluru

4-8 Yrs

Not Disclosed

SENIOR, DATA ENGINEER

Bangalore / Bengaluru

5-12 Yrs

Not Disclosed

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