DataEngPrep.tech
QuestionsPracticeAI CoachDashboardPacksBlog
ProLogin

Interview Questions

Real questions from top companies Β· easy

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
1

What are traits in Scala, and how are they different from classes?

Python/Codingeasyspark0.8 min read
AltimetrikCapgeminiCoforgeInfosys+1
β†’
2

Tell me about your family background

Behavioraleasy0.7 min read
Fossil GroupMeesho
β†’
3

What are your salary expectations for this role?

Behavioraleasy0.6 min read
EPAMFragma Data SystemsThoughtworksWipro
β†’
4

Where do you see yourself in your career five years from now?

Behavioraleasy0.6 min read
EPAMFossil GroupPumaWipro
β†’
5

What are Airflow Operators? Give examples.

Cloud/Toolseasyairflowpythonsql0.5 min read
AltimetrikEYFossil GroupTech Mahindra
β†’
6

CDC During Migration - explain approaches for real-time Change Data Capture

System Design/Architectureeasy0.5 min read
MoonfareSnowflake
β†’
7

Explain the differences between a Data Lake and a Data Warehouse.

SQLeasylakehousesnowflakesql0.5 min read
ChryselysFedEx DataworksLumiqNAB
β†’
8

Explain the concept of ACID properties in the context of databases.

SQLeasy0.4 min read
AccentureCognizantEPAMYash Technologies
β†’
9

What is the difference between Managed and External tables in Hive/Spark?

Spark/Big Dataeasyspark0.4 min read
CitiDunnhumbyFragma Data Systems
β†’
10

What is the difference between a list and a tuple in Python?

Python/Codingeasypython0.3 min read
AccentureDelivery HeroFragma Data Systems
β†’
11

Explain the difference between shallow copy and deep copy in Python.

Python/Codingeasypython0.5 min read
Delivery HeroDunnhumbyFragma Data Systems
β†’
12

Write a Python function to find the first non-repeating character in a string.

Python/Codingeasypython0.4 min read
Delivery HeroDunnhumbyFragma Data Systems
β†’
13

What are decorators in Python, and how do they work?

Python/Codingeasypython0.3 min read
Delivery HeroFragma Data SystemsSwiggy
β†’
14

Explain the difference between args and kwargs in Python.

Python/Codingeasypython0.3 min read
Delivery HeroFragma Data SystemsSwiggy
β†’
15

How do you ensure smooth communication between data scientists, business teams, and developers?

Behavioraleasy0.7 min read
AccentureYash Technologies
β†’
16

How do you handle disagreements within a team?

Behavioraleasy0.6 min read
ExpediaWarner Bros Discovery
β†’
17

What is the most difficult task you've ever worked on?

Behavioraleasylakehousesparksql0.6 min read
CognizantIncedo
β†’
18

Why should we hire you for this role?

Behavioraleasysnowflakespark0.5 min read
AccentureIncedoMatrix
β†’
19

Explain the difference between Azure Data Factory (ADF) and Databricks.

Cloud/Toolseasypythonspark0.6 min read
AccentureEYIncedo
β†’
20

How do you handle data security and compliance in a cloud environment?

Cloud/Toolseasy0.6 min read
EPAMInfosys
β†’

Reading isn't practice. Get AI feedback on your answers.

Type or paste your answer to any of these questions and our AI Coach scores it, highlights gaps, and rewrites it at FAANG quality. Free to try.

Try AI Answer Coach β€” FreeStart a Mock Interview
123...36Next
Categories
All QuestionsSQLSpark / Big DataPython / CodingSystem DesignCloud / ToolsBehavioral
By Company
AmazonGoogleDatabricksSnowflakeMicrosoftNetflixUberTCS
Interview Guides
All GuidesTop SQL QuestionsTop Spark QuestionsTop Python QuestionsTop System DesignSQL Window FunctionsETL QuestionsData Modeling
Products
AI Interview CoachAnswer AnalyzerSQL PlaygroundResume AnalyzerInterview PacksPricing
Company
About UsContact UsAI DisclosureDisclaimerTerms of ServicePrivacy Policy
Β© 2026 DataEngPrep.tech. All rights reserved.
AboutBlogContactDisclaimer