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Interview Questions

Real questions from top companies in System Design/Architecture

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
81

Design a real-time data pipeline for clickstream events. How to ensure fault tolerance? Where to implement deduplication logic? How to efficiently store 1 billion+ rows?

System Design/Architecturehardjoinoptimizationpartition2.6 min read
Google
β†’
82

Design a real-time message stream processing system

System Design/Architecturehardjoinoptimizationpartition3.4 min read
media.net
β†’
83

Design a scalable system for processing real-time sales data from multiple stores, storing it for analytics, and generating reports.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Fragma Data Systems
β†’
84

Design a schema for a retail store's sales data, explaining your choice of dimensions and facts

System Design/Architecturehardoptimizationpartitionspark2.5 min read
Kagina
β†’
85

Design a system to handle 1M daily transactions with real-time analytics for Swiggy.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Swiggy
β†’
86

Design a working data pipeline to efficiently store, process, and report data.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Daniel Wellington
β†’
87

Design an ETL pipeline to process real-time stock market data.

System Design/Architecturehardetljoinoptimization2.6 min read
Goldman Sachs
β†’
88

Design an End-to-End ETL Pipeline.

System Design/Architecturehardetljoinoptimization3.4 min read
Gartner
β†’
89

Design an e-commerce platform like Flipkart

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Meesho
β†’
90

Design the architecture for an Online Ticket Booking System

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Paytm
β†’
91

Designing a pipeline for real-time content engagement tracking

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Netflix
β†’
92

Develop a generic user profile system for Hotstar that accepts inputs from various teams, consolidates into a unified profile, and supports daily updates with aggregation methods.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Disney+ Hotstar
β†’
93

Differentiate between Schema Enforcement and Schema Evolution.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
PWC
β†’
94

Differentiating between pipeline parameters and global parameters

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Zen Data Shastra
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95

Discuss approaches for fault-tolerant data ingestion in real-time systems.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Fragma Data Systems
β†’
96

Discuss data replication strategies in Kafka for fault tolerance.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Goldman Sachs
β†’
97

Discuss designing a data pipeline for a specific use case

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Nihilent
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98

Discuss the deployment process for real-time applications using CI/CD pipelines.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Expedia
β†’
99

Discuss trade-offs between serverless and traditional cloud data architectures.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Swiggy
β†’
100

Discuss trade-offs when designing a batch vs. real-time processing system.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
BCG
β†’

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