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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
101

Highlight the tools and technologies you've used in your current project

General/Otherhardairflowsnowflakespark2 min read
Nihilent
β†’
102

How did you ensure scalability and reliability in your design?

System Design/Architecturehardjoinoptimizationpartition3.6 min read
Thoughtworks
β†’
103

How do these transformations impact memory usage?

General/Otherhardjoinpartitionspark2 min read
TCS
β†’
104

How would you design the schema for transactional data storage?

System Design/Architecturehardjoinoptimizationpartition3.6 min read
Fragma Data Systems
β†’
105

How would you handle large datasets in a distributed computing environment?

General/Otherhardjoinoptimizationpartition2 min read
Wipro
β†’
106

How would you handle massive data ingestion in a cloud environment?

System Design/Architecturehardpartition2 min read
Wipro
β†’
107

How would you model customer transaction data for both analytical and operational use cases?

General/Otherhardpartitionsnowflakespark0.5 min read
BCG
β†’
108

How would you model hierarchical data in a relational database?

General/Otherhardetlsql0.5 min read
Goldman Sachs
β†’
109

Integrating an API with a Database - Steps

General/Otherhardairflowpartition0.6 min read
Verizon
β†’
110

Mapper and Reducer design for solving Two-Sum

System Design/Architecturehardjoinoptimizationpartition3.6 min read
media.net
β†’
111

Synchronization Mechanisms

General/Otherhard3 min read
ZS Associates
β†’
112

TCP vs UDP Protocol

General/Otherhard2 min read
ZS Associates
β†’
113

Tell us about your technical experience?

General/Otherhardairflowetloptimization2 min read
Aarete
β†’
114

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

General/Otherhard2 min read
EPAM
β†’
115

What are the different data sources you have used?

General/Otherhard2 min read
Cognizant
β†’
116

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

General/Otherhard2 min read
American Express
β†’
117

What is PCollection?

General/Otherhardspark1 min read
Tech Mahindra
β†’
118

What is your data volume?

General/Otherhard2 min read
HCL
β†’
119

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

Python/Codinghardoptimization2 min read
Walmart
β†’
120

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

Python/Codinghardoptimizationpartitionspark1 min read
Tiger Analytics
β†’

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