EY
Ernst & Young Global Limited, a multinational professional services partnership.
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
•
hard
Write a Python function to flatten a deeply nested JSON object representing complex financial records from a client API.
#Data Manipulation
#Recursion
#JSON
Data Engineer
•
Coding
•
medium
Write a Python script using boto3 or azure-storage-blob to upload a local file to cloud storage, including basic error handling and logging.
#Cloud SDKs
#Error Handling
#I/O
Data Engineer
•
Technical
•
medium
How do you manage memory efficiently when processing large datasets in Python (e.g., 10GB CSV) without using distributed frameworks like Spark?
#Memory Management
#Pandas
#Generators
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.