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Interview Questions

Real questions from top companies

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
921

How would you handle schema changes in a production ETL pipeline?

System Design/Architecturehardetljoinpartition2.4 min read
Swiggy
β†’
922

How would you handle schema evolution in a real-time data system?

System Design/Architecturehardjoinpartitionspark2.4 min read
Fragma Data Systems
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923

How would you implement a near real-time data pipeline for analyzing user behavior on the Adidas mobile app?

System Design/Architecturehardjoinpartitionspark2.4 min read
Adidas
β†’
924

How would you implement data governance and security in your design?

System Design/Architecturehardjoinpartitionspark2.4 min read
McKinsey
β†’
925

How would you manage a disagreement within your team about an ETL pipeline design?

System Design/Architecturehardetljoinpartition2.4 min read
Morgan Stanley
β†’
926

How would you manage schema evolution in your data lake?

System Design/Architecturehardjoinpartitionspark2.4 min read
Microsoft
β†’
927

How would you process Excel files with multiple sheets? Design the data pipeline.

System Design/Architecturehardjoinpartitionspark2.4 min read
Cognizant
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928

How would you schedule a recurring pipeline in Data Fusion?

System Design/Architecturehardjoinpartitionspark2.4 min read
Aarete
β†’
929

How would you set up an alert system to monitor your ETL pipeline for failures or performance issues?

System Design/Architecturehardairflowetljoin2.4 min read
Meesho
β†’
930

How would you set up end-to-end tracing for a complex pipeline?

System Design/Architecturehardjoinpartitionspark2.4 min read
Capco
β†’
931

How would you use monitoring tools to detect and resolve pipeline failures proactively?

System Design/Architecturehardjoinpartitionspark2.4 min read
Swiggy
β†’
932

Identify potential bottlenecks in your pipeline design and propose solutions to mitigate them.

System Design/Architecturehardjoinpartitionspark2.4 min read
Puma
β†’
933

Introduce your recent project, explaining its goal, architecture, tools, and technologies.

System Design/Architecturehardjoinpartitionspark2.3 min read
Citi
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