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
•
Coding
•
easy
Write a PySpark script to read a CSV file, filter out records where 'status' is 'inactive', group by 'department', and write the output to a Parquet file.
#DataFrame API
#I/O Operations
#Transformations
Data Engineer
•
Coding
•
medium
Write a PySpark UDF (User Defined Function) to mask the first 12 digits of a 16-digit credit card number.
#UDF
#Data Security
#String Manipulation
Data Engineer
•
Coding
•
medium
Write a PySpark code snippet to perform a Broadcast Hash Join between a massive 'transactions' table and a small 'currency_conversion' table.
#Broadcast Join
#Optimization
#DataFrame API
Data Engineer
•
Technical
•
medium
How do you handle corrupt or malformed records when reading a JSON or CSV file in PySpark?
#Data Quality
#Error Handling
#PySpark
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.