Cognizant
American multinational information technology services and consulting 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
•
System Design
•
medium
How do you monitor a machine learning model in production? Specifically, how do you detect and handle concept drift?
#Model Monitoring
#Concept Drift
#MLOps
Machine Learning Engineer
•
System Design
•
hard
How do you optimize the inference speed of a Large Language Model (LLM) deployed in production?
#LLMs
#Optimization
#Inference
Machine Learning Engineer
•
Technical
•
medium
Walk me through how you would containerize a trained Scikit-Learn model and deploy it as a REST API.
#Docker
#FastAPI
#Deployment
Machine Learning Engineer
•
Technical
•
medium
Describe your experience with cloud ML platforms like AWS SageMaker, Azure ML, or GCP Vertex AI. How do you use them for model training and deployment?
#Cloud Computing
#AWS
#Azure
#GCP
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.