DataEngPrep.tech
QuestionsPracticeAI CoachDashboardPacksBlog
ProLogin

Interview Questions

Real questions from top companies

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
681

What do you think about Data uncertainty?

General/Othereasy0.1 min read
Walmart
β†’
682

What do you think differentiates EPAM from other consulting firms in the data engineering space?

General/Othereasy0.1 min read
EPAM
β†’
683

What does social responsibility mean to you in the context of your work?

General/Othereasy0.1 min read
Thoughtworks
β†’
684

What excites you about working at Google?

General/Othereasybigquery0.1 min read
Google
β†’
685

What happens if the NameNode goes down?

General/Othereasy0.2 min read
Microsoft
β†’
686

What is Multiline option in JSON?

General/Othereasyspark0.2 min read
LTIMindtree
β†’
687

What is PCollection?

General/Otherhardspark0.2 min read
Tech Mahindra
β†’
688

What is ParDo and Map?

General/Othereasy0.2 min read
Tech Mahindra
β†’
689

What is a Foreign Key?

General/Othereasybigqueryetl0.2 min read
Altimetrik
β†’
690

What is currying in Scala?

General/Othereasy0.1 min read
Chryselys
β†’
691

What is the P2 ticket SLA?

General/Othereasy0.1 min read
Ford
β†’
692

What is the difference between SAFE_CAST() and CAST()?

General/Othereasyetl0.1 min read
Aarete
β†’
693

What is the impact of multipart uploads on lifecycle policies?

General/Othereasy0.1 min read
Capco
β†’
694

What is your cluster configuration?

General/Othereasyairflowsnowflake0.1 min read
HCL
β†’
695

What is your data volume?

General/Otherhard0.1 min read
HCL
β†’
696

What role does data lineage play in your current project?

General/Othereasysnowflakespark0.2 min read
Nihilent
β†’
697

What steps do you take to troubleshoot a slow-running Spark job?

General/Othermediumjoinpartitionspark0.2 min read
Dunnhumby
β†’
698

What types of data do you work with?

General/Othereasysql0.2 min read
Cognizant
β†’
699

What would you do if a critical data pipeline failed during a holiday?

System Design/Architectureeasy0.2 min read
Paytm
β†’
700

What would you do if you were assigned a task with a technology you've never used before?

General/Othereasy0.2 min read
Dunnhumby
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
Previous1...3334353637...94Next
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