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

Machine Learning Engineer Coding easy

Write a Python function to compute the moving average of a time series array given a specific window size.

#Python #Arrays #Time Series
Machine Learning Engineer Coding medium

Implement a function to tokenize a string and remove stop words from scratch, without using external NLP libraries like NLTK or spaCy.

#Python #String Manipulation #NLP
Machine Learning Engineer Coding medium

Given a list of dictionaries representing nested JSON data from a client API, write a script to flatten the dictionaries into a single-level dictionary.

#Python #Data Structures #Recursion
Machine Learning Engineer Coding medium

Write a function to perform matrix multiplication from scratch using pure Python (no NumPy).

#Python #Math #Nested Loops

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