KPMG
Multinational professional services network, and one of the Big Four accounting organizations.
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
•
medium
Write a Python function to parse a deeply nested JSON file from a REST API and flatten it into a tabular pandas DataFrame.
#JSON Parsing
#Pandas
#Data Transformation
Data Engineer
•
Coding
•
medium
Write a Python script to process and merge multiple large CSV files (50GB+) that do not fit into memory.
#Chunking
#Generators
#Memory Management
Data Engineer
•
Coding
•
easy
Implement a Python function to detect and remove duplicate records based on a composite key, keeping the most recently updated record.
#Deduplication
#Pandas
#Data Cleaning
Data Engineer
•
Coding
•
easy
Given a list of dictionaries representing financial transactions, write a Python function to aggregate total spend by category without using external libraries.
#Data Structures
#Dictionaries
#Aggregation
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.