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
•
Technical
•
hard
How do you optimize a slow-running Copy Activity in Azure Data Factory that is transferring 5TB of data?
#Azure Data Factory
#Performance Tuning
Data Engineer
•
Technical
•
hard
How does Delta Lake implement ACID transactions on top of cloud object storage (like S3 or ADLS)?
#Databricks
#Delta Lake
#ACID
Data Engineer
•
Technical
•
medium
In Snowflake, what are micro-partitions and how do clustering keys improve query performance on large tables?
#Snowflake
#Architecture
#Performance Tuning
Data Engineer
•
Technical
•
easy
Explain the concept of 'Time Travel' in Snowflake or Delta Lake. How would you recover a table that was accidentally dropped yesterday?
#Snowflake
#Delta Lake
#Data Recovery
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.