DXC Technology
American multinational B2B IT services provider.
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 Python script using Pandas or PySpark to read a CSV file, filter out rows where the 'status' column is 'failed', and write the output to a Parquet file.
#Python
#Pandas
#PySpark
#ETL
Data Engineer
•
Technical
•
medium
How do you handle task dependencies and retries in Apache Airflow?
#Airflow
#Orchestration
#DAGs
Machine Learning Engineer
•
Coding
•
easy
Write a Python function using pandas to impute missing values in a dataset: numerical columns with the median and categorical columns with the mode.
#Python
#Pandas
#Data Cleaning
Machine Learning Engineer
•
System Design
•
medium
Design a batch processing pipeline using PySpark to score millions of customer records nightly for a marketing campaign.
#PySpark
#Batch Processing
#Big Data
Machine Learning Engineer
•
Technical
•
medium
What is data leakage in machine learning? Give an example of how it might occur during feature engineering and how to prevent it.
#Data Leakage
#Feature Engineering
#Best Practices
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.