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Interview Questions

Real questions from top companies Β· hard

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
161

Tell us about your technical experience?

General/Otherhardairflowetloptimization0.2 min read
Aarete
β†’
162

Walk me through your resume. What are the key highlights that align with this role?

General/Otherhard0.2 min read
EPAM
β†’
163

What are the different data sources you have used?

General/Otherhard0.2 min read
Cognizant
β†’
164

What are your strengths, and how do they align with the Data Engineer role?

General/Otherhard0.2 min read
American Express
β†’
165

What is PCollection?

General/Otherhardspark0.2 min read
Tech Mahindra
β†’
166

What is your data volume?

General/Otherhard0.1 min read
HCL
β†’
167

What makes you interested in working at Netflix?

General/Otherhard0.4 min read
Netflix
β†’
168

What role does the Instance Fleet configuration play in cost optimization?

General/Otherhardoptimization0.3 min read
Capco
β†’
169

What techniques would you use to ensure data consistency in a distributed database?

General/Otherhardpartition0.3 min read
Disney+ Hotstar
β†’
170

What's your approach to data versioning in a data lake?

System Design/Architecturehardpartition0.3 min read
Freecharge
β†’
171

Would you accept an onsite opportunity in a foreign country?

General/Otherhard0.2 min read
Fossil Group
β†’
172

Can you explain the concept of polymorphism and inheritance in Java with examples?

Python/Codinghard0.2 min read
Meesho
β†’
173

Coin Change Problem - minimum number of coins required to make change

Python/Codinghardoptimization0.2 min read
Walmart
β†’
174

Count occurrences of elements in a list of tuples using Spark RDDs

Python/Codinghardoptimizationpartitionspark0.1 min read
Tiger Analytics
β†’
175

Design a solution to generate unique device names from a list of IoT devices.

Python/Codinghardjoinoptimizationpartition3.6 min read
Expedia
β†’
176

Design an algorithm to merge k sorted lists of video streaming data.

Python/Codinghardjoinoptimizationpartition3.6 min read
Disney+ Hotstar
β†’
177

Difference between Stack vs Queue

Python/Codinghardpython0.2 min read
ZS Associates
β†’
178

Explain your approach to designing a scalable customer loyalty program data platform.

Python/Codinghardjoinoptimizationpartition3.6 min read
Adidas
β†’
179

Given 1TB of a file, how to check word count?

Python/Codinghardpartitionspark0.1 min read
Citi
β†’
180

How does your tech stack support scalability and analytics?

Python/Codinghardpartitionspark0.1 min read
Moonfare
β†’

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