HCLTech

Global IT services and consulting company.

4 Rounds ~21 Days Medium
Start Mock Interview

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 System Design hard

Design a personalized product recommendation system for a large retail client. Walk me through the data pipeline, model selection, and serving architecture.

#Recommendation Systems #Architecture #Scalability
Data Scientist System Design hard

Design a real-time fraud detection system for credit card transactions. Focus on the data ingestion, feature engineering latency, and model serving.

#Streaming Data #Real-time Processing #Kafka #MLOps

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Simulate

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

Practice Now