LTIMindtree
Global technology consulting and digital solutions 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
•
medium
Write a Python function to flatten a deeply nested JSON dictionary representing API responses.
#Recursion
#Data Structures
#JSON Parsing
Data Engineer
•
Coding
•
medium
Write a Python script using Pandas to read a 10GB CSV file in chunks, filter rows based on a condition, and append to a Parquet file.
#Pandas
#Memory Management
#Parquet
Data Engineer
•
Technical
•
medium
Write a Python script using Pandas or PySpark to read a large CSV file, drop rows where a specific column has null values, and write the output partitioned by date to a Parquet file.
#Data Cleaning
#File Formats
#Partitioning
Data Engineer
•
Technical
•
easy
How do you manage dependencies and virtual environments in a Python data engineering project?
#Python
#Environment Management
#CI/CD
Data Scientist
•
Coding
•
medium
Write a Python generator function to read a massive 50GB CSV file line by line, process it, and yield the result to prevent memory overflow.
#Python
#Generators
#Memory Management
#Big Data
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.