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Interview Questions

Real questions from top companies in System Design/Architecture · hard

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

What architecture are you following in your current project, and why?

System Design/Architecturehardairflowetljoin3.5 min read
CognizantHCLNagarroThoughtworks+1
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2

Briefly explain the architecture of Kafka.

System Design/Architecturehardjoinoptimizationpartition3 min read
Delivery HeroGrover
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3

Describe the data pipeline architecture you've worked with.

System Design/Architecturehardjoinoptimizationpartition3 min read
Fragma Data SystemsGrover
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4

Explain the trade-offs between batch and real-time data processing. Provide examples of when each is appropriate.

System Design/Architecturehardjoin0.8 min read
ExpediaSwiggy
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5

Can you explain the trade-offs you made during the design process?

System Design/Architecturehard
6

Designing Mixpanel - event-driven analytics platform

System Design/Architecturehard
7

How did you ensure scalability and reliability in your design?

System Design/Architecturehard
8

How would you design the schema for transactional data storage?

System Design/Architecturehard
9

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

System Design/Architecturehard
10

Lakehouse vs. Warehouse

System Design/Architecturehard
11

Mapper and Reducer design for solving Two-Sum

System Design/Architecturehard
12

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

System Design/Architecturehard

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