Wipro
Global information technology, consulting and business process services company.
4 Rounds
~21 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
•
medium
How does Spark handle fault tolerance? Explain the role of RDD lineage.
#Spark Architecture
#Fault Tolerance
#RDD
Data Engineer
•
Technical
•
hard
How would you optimize a slow-running PySpark job that is suffering from data skewness during a join operation?
#PySpark
#Performance Tuning
#Data Skew
Data Engineer
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Technical
•
medium
What is the difference between repartition() and coalesce() in PySpark, and when would you use each?
#PySpark
#Partitioning
#Shuffling
Data Engineer
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Technical
•
medium
What are Broadcast variables and Accumulators in Spark? Provide a use case for each.
#PySpark
#Shared Variables
#Optimization
Data Engineer
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Technical
•
medium
What is Delta Lake? Explain its ACID properties and how it implements time travel.
#Delta Lake
#Databricks
#ACID
#Data Lakehouse
Data Engineer
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Technical
•
medium
Explain the concept of 'Predicate Pushdown' in Spark and Parquet.
#Spark
#Parquet
#Optimization
Data Engineer
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Technical
•
easy
Explain the difference between Managed and External tables in Hive/Databricks.
#Hive
#Databricks
#Storage
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.