TCS
Large multinational IT services and consulting enterprise based in India.
3 Rounds
~14 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 Scientist
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System Design
•
medium
How do you monitor a deployed machine learning model for concept drift in a production environment?
#Model Monitoring
#Concept Drift
#MLOps
Data Scientist
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System Design
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medium
Design an architecture to deploy a Python-based ML model as a highly available REST API.
#Deployment
#Docker
#FastAPI
#Kubernetes
Machine Learning Engineer
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Technical
•
medium
A model deployed for a client 6 months ago is now degrading in performance. How do you detect data drift and concept drift, and how do you resolve it?
#Model Monitoring
#Data Drift
#Production ML
Machine Learning Engineer
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Technical
•
medium
Explain your approach to containerizing a Python-based ML model using Docker and deploying it on a Kubernetes cluster.
#Docker
#Kubernetes
#Model Deployment
Machine Learning Engineer
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Technical
•
medium
We want to replace an existing rule-based system with a new ML model. What is your strategy for A/B testing the new model in production safely?
#A/B Testing
#Experimentation
#Deployment Strategies
Machine Learning Engineer
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Technical
•
medium
Explain the core components of an MLOps pipeline. How have you used tools like MLflow or Weights & Biases in your previous projects?
#CI/CD
#MLflow
#Experiment Tracking
#Model Registry
Difficulty Radar
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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.