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Interview Questions

Real questions from top companies

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
861

Explain how serverless computing impacts modern data architecture.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
BCG
β†’
862

Explain how you would design a pipeline for streaming real-time order status updates.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Swiggy
β†’
863

Explain how you would optimize a data lake architecture for performance and cost-efficiency

System Design/Architecturehardjoinoptimizationpartition3.4 min read
McKinsey
β†’
864

Explain project architecture, technical contributions, and value delivered.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Expedia
β†’
865

Explain the CAP theorem and its relevance in distributed systems.

System Design/Architecturehardjoinoptimizationpartition2.6 min read
Goldman Sachs
β†’
866

Explain why lineage in Spark is crucial for fault tolerance.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Impetus
β†’
867

Given a problem statement, collaborate with your team to design the entire pipeline architecture.

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Puma
β†’
868

Handle schema evolution in production.

System Design/Architecturehardjoinoptimizationpartition2.7 min read
Google
β†’
869

Handling pipeline bugs

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Zen Data Shastra
β†’
870

Handling pipeline overload situations

System Design/Architecturehardjoinoptimizationpartition3.4 min read
PayPal
β†’
871

Have you worked with Oozie? If yes, can you explain what it is and how it's used in data pipelines?

System Design/Architecturehardoptimizationpartitionspark2.5 min read
Infosys
β†’
872

High-level ETL Pipeline Design using tools like Kafka or Flink for new use cases?

System Design/Architecturehardetloptimizationpartition2.5 min read
Snowflake
β†’
873

How do you ensure data quality and consistency in your pipelines?

System Design/Architecturehardjoinoptimizationpartition2.7 min read
American Express
β†’
874

How do you ensure data quality in a big data pipeline, and what strategies do you use for data validation?

System Design/Architecturehardoptimizationpartitionspark2.5 min read
Coforge
β†’
875

How do you ensure data quality in an automated pipeline?

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Swiggy
β†’
876

How do you ensure fault tolerance during large-scale data migrations?

System Design/Architecturehardjoinoptimizationpartition2.7 min read
Virtusa
β†’
877

How do you ensure the scalability of a data pipeline handling rapidly growing data volumes?

System Design/Architecturemediumpartitionsnowflakespark2.6 min read
Swiggy
β†’
878

How do you ensure your pipelines are serving reliable and correct data?

System Design/Architecturehardpartitionsnowflakespark2.3 min read
Netflix
β†’
879

How do you handle exceptions in data ingestion?

System Design/Architectureeasy2.2 min read
Gartner
β†’
880

How do you handle pipeline failures or delays?

System Design/Architecturemediumairflowwindow2.1 min read
Moonfare
β†’

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