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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
101

How do you ensure data quality in an automated pipeline?

System Design/Architecturehardjoinoptimizationpartition3.4 min read
Swiggy
β†’
102

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

System Design/Architecturehardjoinoptimizationpartition2.7 min read
Virtusa
β†’
103

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

System Design/Architecturehardpartitionsnowflakespark2.3 min read
Netflix
β†’
104

How do you handle production deployment?

System Design/Architecturehardjoinpartitionspark2.5 min read
HCL
β†’
105

How do you handle schema evolution in a system with multiple data sources and consumers?

System Design/Architecturehardjoinpartitionspark2.6 min read
Swiggy
β†’
106

How do you monitor and troubleshoot data pipeline failures in Data Fusion?

System Design/Architecturehardjoinpartitionspark2.6 min read
Aarete
β†’
107

How do you optimize data ingestion?

System Design/Architecturehardjoinpartitionspark2.5 min read
Gartner
β†’
108

How do you pass global variables between pipelines?

System Design/Architecturehardjoinpartitionspark2.5 min read
Virtusa
β†’
109

How do you use dependency tracing to identify root causes in pipeline failures?

System Design/Architecturehardairflowjoinpartition2.5 min read
Virtusa
β†’
110

How does HDFS handle fault tolerance?

System Design/Architecturehardjoinpartitionspark2.5 min read
Microsoft
β†’
111

How does Presto fetch data from a data catalog?

System Design/Architecturehardjoinpartitionspark2.5 min read
Meesho
β†’
112

How does Spark handle distributed computing, and what challenges have you faced while working on distributed systems?

System Design/Architecturehardjoinpartitionspark2.6 min read
Coforge
β†’
113

How does data flow through the system? From ingestion to processing and storage?

System Design/Architecturehardetljoinpartition2.6 min read
S&P Global
β†’
114

How to adapt the same pipeline to a cloud environment?

System Design/Architecturehardairflowbigqueryjoin2.4 min read
Daniel Wellington
β†’
115

How to capture data lineage for Spark code, using a DataHub-based example?

System Design/Architecturehardjoinpartitionspark2.5 min read
Snowflake
β†’
116

How to create a database from scratch and architect it for scalability and performance?

System Design/Architecturehardjoinpartitionspark2.5 min read
Zen Data Shastra
β†’
117

How to set up ETL pipelines using Apache Airflow?

System Design/Architecturehardairflowetljoin2.4 min read
Snowflake
β†’
118

How to store massive data in a distributed system?

System Design/Architecturehardjoinpartitionspark2.4 min read
media.net
β†’
119

How we manage dependencies and retries in data pipelines

System Design/Architecturehardairflowjoinpartition2.5 min read
Tiger Analytics
β†’
120

How would you architect a recommendation system for Adidas's e-commerce platform?

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

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