TCS
Large multinational IT services and consulting enterprise based in India.
3 Rounds
~14 Days
Medium
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Data Engineer
•
System Design
•
medium
Design an Azure Data Factory (ADF) pipeline to perform a daily incremental load (Delta load) from an on-premise SQL Server to Azure Synapse Analytics.
#Azure Data Factory
#ETL
#Incremental Load
Data Engineer
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System Design
•
medium
Explain the Medallion Architecture in Databricks. What specific transformations happen between the Bronze, Silver, and Gold layers?
#Databricks
#Data Lakehouse
#Architecture
Data Engineer
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System Design
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hard
Design a data migration strategy for a client moving 500TB of historical data from an on-premise Hadoop cluster to AWS S3 / Azure Data Lake.
#Cloud Migration
#AWS
#Azure
#Architecture
Data Engineer
•
System Design
•
hard
Design an end-to-end data pipeline for a retail client that generates 10TB of POS transaction data daily. The data needs to be available for BI reporting by 8 AM every day.
#ETL
#Batch Processing
#Architecture
Data Engineer
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System Design
•
hard
How do you handle 'late-arriving data' in a daily batch ETL pipeline? For example, data from Monday arrives on Wednesday.
#ETL
#Data Quality
#Architecture
Data Engineer
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System Design
•
medium
Explain the difference between Lambda and Kappa architectures. Which one is more prevalent in modern cloud data engineering?
#Architecture
#Streaming
#Batch Processing
Difficulty Radar
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Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Always explain your thought process before writing code or drawing architecture.