Essential cookies keep authentication working. With your permission, we also use analytics cookies to understand and improve the product. Read our Privacy Policy

DataEngPrep.tech
QuestionsPracticeAI CoachDashboardPricingBlog
ProLogin

Interview Questions

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

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
121

How would you automate a data pipeline deployment using GitHub Actions or another CI/CD tool?

System Design/Architecturehardjoinpartitionspark2.5 min read
BCG
β†’
122

How would you build a monitoring dashboard for ETL job failures?

System Design/Architecturehardairflowetljoin2.4 min read
Disney+ Hotstar
β†’
123

How would you build a pipeline that transforms semi-structured logs into a structured analytics layer?

System Design/Architecturehardjoinpartitionspark2.5 min read
Amazon
β†’
124

How would you build a reusable ETL framework using Airflow?

System Design/Architecturehardairflowetljoin2.4 min read
Adidas
β†’
125

How would you design a cost-effective data lake architecture on AWS or Azure?

System Design/Architecturehardjoinpartitionspark2.5 min read
Goldman Sachs
β†’
126

How would you design a cost-effective, scalable, and efficient data pipeline for an e-commerce website?

System Design/Architecturehardjoinpartitionspark2.5 min read
Delivery Hero
β†’
127

How would you design a data archiving strategy in S3 using lifecycle policies?

System Design/Architecturehardjoinpartitionspark2.4 min read
Capco
β†’
128

How would you design a data ingestion framework for heterogeneous data sources?

System Design/Architecturehardjoinpartitionspark2.5 min read
Goldman Sachs
β†’
129

How would you design a data pipeline to handle late-arriving data?

System Design/Architecturehardjoinpartitionspark2.5 min read
Fragma Data Systems
β†’
130

How would you design a data platform to handle real-time transaction data for a retail business?

System Design/Architecturehardjoinpartitionspark2.5 min read
McKinsey
β†’
131

How would you design a database to handle historical data storage for compliance purposes?

System Design/Architecturehardjoinpartitionspark2.5 min read
Goldman Sachs
β†’
132

How would you design a logging framework to track errors across multiple services?

System Design/Architecturehardjoinpartitionspark2.5 min read
Disney+ Hotstar
β†’
133

How would you design a real-time pipeline for generating daily retail sales reports?

System Design/Architecturehardbigqueryjoinpartition2.5 min read
BCG
β†’
134

How would you design a scalable data ingestion pipeline?

System Design/Architecturehardjoinpartitionspark2.4 min read
Freecharge
β†’
135

How would you design a scalable data lake for Adidas's global e-commerce operations?

System Design/Architecturehardjoinpartitionspark2.5 min read
Adidas
β†’
136

How would you design a system to support personalized recommendations at scale?

System Design/Architecturehardjoinpartitionspark2.5 min read
Disney+ Hotstar
β†’
137

How would you design an architecture that supports both batch and real-time analytics for sales data?

System Design/Architecturehardjoinpartitionspark2.5 min read
Adidas
β†’
138

How would you design the architecture to handle high availability and scalability?

System Design/Architecturehardjoinpartitionspark2.4 min read
Meesho
β†’
139

How would you ensure data quality and integrity in a data pipeline? Discuss the steps you would take to validate and cleanse data.

System Design/Architecturehardjoinpartitionspark2.5 min read
Amazon
β†’
140

How would you ensure the system can handle millions of concurrent users?

System Design/Architecturehardjoinpartitionspark2.5 min read
Meesho
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...5678Next
Categories
All QuestionsSQLSpark / Big DataPython / CodingSystem DesignCloud / ToolsBehavioral
By Company
AmazonGoogleDatabricksSnowflakeAWSAzureMicrosoftNetflixUberTCS
Interview Guides
All GuidesTop SQL QuestionsTop Spark QuestionsPySpark QuestionsTop Python QuestionsTop System DesignKafka QuestionsAirflow QuestionsSQL Window FunctionsETL QuestionsData Modeling
Products
AI Interview CoachAnswer AnalyzerSQL PlaygroundResume AnalyzerAnswer Vault PDFsPricing
Company
About & Editorial PolicyContact UsAI DisclosureDisclaimerTerms of ServicePrivacy Policy
Β© 2026 DataEngPrep.tech. All rights reserved.
AboutBlogContactDisclaimer