Premium Employer

i

This company page is being actively managed by HCLTech Team. If you also belong to the team, you can get access from here

HCLTech Verified Tick

Compare button icon Compare button icon Compare

Filter interviews by

Clear (1)

HCLTech Data Scientist Interview Questions and Answers

Updated 19 Sep 2024

HCLTech Data Scientist Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Number of Duplicate words in a string
  • Ans. 

    Count the number of duplicate words in a string.

    • Split the string into words using a delimiter like space or punctuation.

    • Create a dictionary to store the count of each word.

    • Iterate through the words and increment the count in the dictionary.

    • Count the number of words with count greater than 1 as duplicates.

  • Answered by AI
  • Q2. Chunking in LLM
  • Ans. 

    Chunking in LLM refers to breaking down text into smaller chunks for better processing by the language model.

    • Chunking helps improve the efficiency of the language model by breaking down large text inputs into smaller segments.

    • It can help the model better understand the context and relationships within the text.

    • Chunking is commonly used in natural language processing tasks such as text summarization and sentiment analys

  • Answered by AI

Skills evaluated in this interview

Sun Pharmaceutical Industries

Join us and thrive in a company culture that inspires and empowers.

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Mostly around generative ai , transformer

Round 2 - HR 

(2 Questions)

  • Q1. Where do you yourself in next 5 years?
  • Ans. 

    In the next 5 years, I see myself advancing my skills in data science, taking on more leadership roles, and contributing to impactful projects.

    • Continuing to enhance my knowledge in machine learning algorithms and data visualization techniques

    • Leading a team of data scientists on complex projects

    • Contributing to projects that have a positive impact on society, such as healthcare analytics or environmental sustainability

    • Po...

  • Answered by AI
  • Q2. How do you handle tough situation ?
  • Ans. 

    I handle tough situations by staying calm, analyzing the problem, seeking advice if needed, and taking decisive action.

    • Stay calm and composed

    • Analyze the problem thoroughly

    • Seek advice from colleagues or mentors

    • Take decisive action to address the situation

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice the basics

Data Scientist Interview Questions Asked at Other Companies

Q1. for a data with 1000 samples and 700 dimensions, how would you fi ... read more
Q2. Special Sum of Array Problem Statement Given an array 'arr' conta ... read more
asked in Affine
Q3. you have a pandas dataframe with three columns, filled with state ... read more
Q4. Clone a Linked List with Random Pointers Given a linked list wher ... read more
asked in Coforge
Q5. coding question of finding index of 2 nos. having total equal to ... read more

Data Scientist Jobs at HCLTech

View all

Interview questions from similar companies

I applied via Company Website and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Which job gives me do that work because of this job very important to me

Interview Preparation Tips

Interview preparation tips for other job seekers - No adive

Data Scientist Interview Questions & Answers

LTIMindtree user image Abhishek Srivastav

posted on 16 Mar 2015

Interview Questionnaire 

3 Questions

  • Q1. Code For parse Traingle
  • Ans. 

    Code for parsing a triangle

    • Use a loop to iterate through each line of the triangle

    • Split each line into an array of numbers

    • Store the parsed numbers in a 2D array or a list of lists

  • Answered by AI
  • Q2. Asci value along with alphabets(both capital and small)
  • Ans. 

    The ASCII value is a numerical representation of a character. It includes both capital and small alphabets.

    • ASCII values range from 65 to 90 for capital letters A to Z.

    • ASCII values range from 97 to 122 for small letters a to z.

    • For example, the ASCII value of 'A' is 65 and the ASCII value of 'a' is 97.

  • Answered by AI
  • Q3. Would you like to go for Hire studies

Interview Preparation Tips

Round: Test
Experience: First round was through Elitmus.
If you want to be in IT industry must appear it atleast once, for core also u can try it.
It's usually a tough exam but if u are good in maths , apti you will crack it.
Tips: Focus more on Reasoning part. this is the most difficult part.
practise paragraphs reading and solving(Average level)(Infosys level or less)
If you need any kind of help you can contact me via email or can even ring me.
I would recomend everybody to appear this exam with minimum of one month dedicated preparation
Duration: 120 minutes
Total Questions: 60

Round: Coding Round on their own plateform
Experience: It was little difficult to write codes on some other plateform. But time was enough to cope up.
Tips: Try writing as many programs you can write in C, C++ and JAVA not on paper, on compiler . while giving this exam you can select any of these three languages. Based on that your technical Interview will be taken.

Round: Technical Interview
Experience: Its easy one if you have hands on on programing
Tips: Explore and explore .

Round: HR Interview
Experience: Most difficult round for me(I feel myself a little weak in English). But stay calm. And be cheerful.
I still don't know the exact answer of the question but conversation gone for about 20 minutes on this topic.
He din't seem satisfied with me. Btw most of the people says to say no. You can take your call according to the situation.
Tips: Stay calm. Have as much Knowledge about the organisation. Try to make your Intro as much interesting as possible with achivements, hobbies etc. Ya English plays most important role here.

General Tips: Always have faith in yourself. And remember Everything happens for some good reason
Skill Tips: Dont go deep in OS, DBMS but have rough idea about all the topics
Skills: C, C++, DATA STRUCTURE, DBMS, OS
College Name: GANDHI INSTITUTE OF ENGINEERING AND TECHNOLOGY
Motivation: I wanted a job. :)
Funny Moments: A number of stories are there related to this job.
One is I already had an offer so I booked my ticket to home from Bangalore But at very last moment my father told me that you should never miss any chance, go for it. I went and interview date was postponded due to some reasons. I got a mail at 10:30 pm saying I have to attend interview next day morning at 8:30 pm. I ran to get printout of that mail. The venue was 3 hour journey from my place so I din't sleep for the whole night because i knew that if I ll sleep, I would not be able to wake up But I din't studied also because it would have lead to sleep. And Without having sleep and last moment study I made it.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Nothing much technical

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Go in formals
2. Fluency in English is important (depends on interview panel)
3. Clarity on what your talking about

Interview Questionnaire 

1 Question

  • Q1. Basic ML

I applied via Recruitment Consultant and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Explain about your projects

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer was looking for Data science experience in infrastructure that is building a solution for remedy ticket

I applied via Job Portal and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basic Hypothesis Understanding !
  • Q2. Apache Spark and Data Frames

Interview Preparation Tips

Interview preparation tips for other job seekers - Ask clearly for job role they said data scientist but currently I am doing MLOPS

I applied via Referral and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What is data science
  • Ans. 

    Data science is the field of extracting insights and knowledge from data using various techniques and tools.

    • Data science involves collecting, cleaning, and analyzing data to extract insights.

    • It uses various techniques such as machine learning, statistical modeling, and data visualization.

    • Data science is used in various fields such as finance, healthcare, and marketing.

    • Examples of data science applications include fraud...

  • Answered by AI
  • Q2. What is phyton and R
  • Ans. 

    Python and R are programming languages commonly used in data science and statistical analysis.

    • Python is a general-purpose language with a large community and many libraries for data manipulation and machine learning.

    • R is a language specifically designed for statistical computing and graphics, with a wide range of packages for data analysis and visualization.

    • Both languages are popular choices for data scientists and hav...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Provide the tips how to face the interview

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Please tell me something about yourself.What is your experience? What are your goals and ambitions?Why We should hire you? Strengths and weaknesses etc.
Contribute & help others!
anonymous
You can choose to be anonymous

HCLTech Interview FAQs

How many rounds are there in HCLTech Data Scientist interview?
HCLTech interview process usually has 1-2 rounds. The most common rounds in the HCLTech interview process are Coding Test, HR and Technical.
How to prepare for HCLTech Data Scientist interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at HCLTech. The most common topics and skills that interviewers at HCLTech expect are Python, Machine Learning, Data Science, Deep Learning and Artificial Intelligence.
What are the top questions asked in HCLTech Data Scientist interview?

Some of the top questions asked at the HCLTech Data Scientist interview -

  1. Number of Duplicate words in a str...read more
  2. Chunking in ...read more

Recently Viewed

SALARIES

HCLTech

No Salaries

SALARIES

HCLTech

SALARIES

HCL Infosystems

SALARIES

HCLTech

SALARIES

L&T Technology Services

COMPANY BENEFITS

HCLTech

No Benefits

REVIEWS

HCLTech

No Reviews

SALARIES

Tech Mahindra

REVIEWS

HCLTech

No Reviews

REVIEWS

HCLTech

No Reviews

Tell us how to improve this page.

HCLTech Data Scientist Interview Process

based on 3 interviews

Interview experience

4.3
  
Good
View more

HCLTech

An opportunity to work for Fortune 500 companies

Join HCLTech Find your spark and discover what drives you forward
HCLTech Data Scientist Salary
based on 258 salaries
₹4.5 L/yr - ₹19.9 L/yr
16% less than the average Data Scientist Salary in India
View more details

HCLTech Data Scientist Reviews and Ratings

based on 23 reviews

3.4/5

Rating in categories

3.2

Skill development

3.9

Work-life balance

2.4

Salary

4.5

Job security

3.7

Company culture

2.4

Promotions

3.1

Work satisfaction

Explore 23 Reviews and Ratings
Data Scientist

Hyderabad / Secunderabad,

Pune

+1

5-10 Yrs

₹ 4-24.5 LPA

Explore more jobs
Software Engineer
23.4k salaries
unlock blur

₹1.7 L/yr - ₹8 L/yr

Technical Lead
21.3k salaries
unlock blur

₹7 L/yr - ₹28 L/yr

Senior Software Engineer
15.9k salaries
unlock blur

₹4 L/yr - ₹16.9 L/yr

Lead Engineer
15k salaries
unlock blur

₹4.2 L/yr - ₹14 L/yr

Analyst
14.5k salaries
unlock blur

₹0.8 L/yr - ₹6.5 L/yr

Explore more salaries
Compare HCLTech with

TCS

3.7
Compare

Wipro

3.7
Compare

Accenture

3.8
Compare

Cognizant

3.7
Compare
Did you find this page helpful?
Yes No
write
Share an Interview