HCLTech

Global IT services and consulting company.

4 Rounds ~21 Days Medium
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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 Technical hard

Explain the architecture of a Transformer model. Specifically, how does the self-attention mechanism work?

#Transformers #Attention Mechanism #NLP
Data Scientist Technical hard

How would you fine-tune a pre-trained Large Language Model (like LLaMA or BERT) on a specific enterprise domain dataset with limited compute resources?

#LLMs #Fine-tuning #PEFT #LoRA
Data Scientist Technical medium

What techniques do you use to prevent overfitting in Deep Neural Networks?

#Neural Networks #Regularization #Optimization

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.

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