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
Machine Learning Engineer
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Technical
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medium
How do you handle highly imbalanced datasets when building a fraud detection model for a banking client?
#Imbalanced Data
#Classification
#Fraud Detection
Machine Learning Engineer
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Technical
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easy
What are the differences between L1 (Lasso) and L2 (Ridge) regularization? When would you choose to use one over the other?
#Regularization
#Linear Models
#Feature Selection
Machine Learning Engineer
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Technical
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medium
How does the XGBoost algorithm handle missing values internally during training?
#Tree Models
#XGBoost
#Missing Data
Machine Learning Engineer
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Technical
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easy
What is the fundamental difference between a discriminative model and a generative model?
#Statistics
#Generative AI
#Classification
Machine Learning Engineer
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Technical
•
medium
Explain the ROC curve and AUC. In what specific scenario would you prefer using Precision-Recall AUC over ROC AUC?
#Evaluation Metrics
#Classification
Machine Learning Engineer
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Technical
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hard
What is SMOTE, and what are its limitations when dealing with high-dimensional data or text data?
#Imbalanced Data
#SMOTE
#High Dimensionality
Machine Learning Engineer
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Technical
•
medium
How do you handle categorical variables with extremely high cardinality in a tree-based model versus a linear model?
#Feature Engineering
#Categorical Data
#Modeling
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.