EXL Service Data Scientist and Machine Learning Engineer Interview Questions and Answers

Topics to prepare for TCS Data Scientist and Machine Learning Engineer interview:

• Python
• Java
• Machine Learning

Interview preparation tips for other job seekers - I am pursuing b tech computer science engineering

Topics to prepare for TCS Data Scientist and Machine Learning Engineer interview:

• Data Science

Interview preparation tips for other job seekers - explain point to point and keep it simple. learn all machine learning algorithms and deep learning concepts and statistics concepts

Round: Test
Experience: Normal typing test and some aptitude question

Round: Grammar Round
Experience: It was a written English grammar test to analyse how grammatically sound you are.
Tips: Just revise your basic English grammar like prepositions verbs nd essay/paragraph writing

Round: COMMUNICATION SKILLS Round
Experience: In this round they ask you to speak something on the given topic or sometimes group discussion . Basically they test your vocabulary, your thought process, pronunciation, accent and above all confidence.
Tips: Be confident in whatever you speak. Remember if you get nervous you will need with your words .

Round: Technical Interview
Experience: This was an online test and it had 50 questions all objective types.
Tips: Be technically sound. You cannot Google them as these search engines are blocked

College Name: Babu Banarasi Das National Institute Of Technology And Management (BBDNITM)

Round: Test
Experience: I was allowed to write a test for 2hrs in that each headings seems to be different and also there is a section heading marks
Duration: 2 hours
Total Questions: 70

Round: Technical Interview
Experience: After finishing i was advised to attend 2nd round in that they ask about the detailed experience of my previous company and finally technical terms question also flows

Skills: Logical And Structured Thinking, Communication And Confidence, Attitude, Psychometric Test, Project Management

Round: Test
Experience: The written test had questions from quantitative aptitude and logical reasoning.

Round: HR Interview
Experience: After that was the interview round. In the interview round they asked me about what were my goals and where do I see myself in three years from now. They also asked me the reason why they should select me and not others.  
Second round of interview was a telephonic round. It was as follows:

1. A situation was given "You are a sales executive and the order of your customer has not reached his place. How can you help him out with this?

2. I was asked to pronounce few words like television, specialization etc.

3. To make a story on a phrase "dark stormy night ".

College Name: DELHI COLLEGE OF ARTS AND COMMERCE

Round: Test
Experience: Speed Maths was easy, it was such that
silly mistakes were quite probable. It lasted for an hour. English was for 1.5
hrs. It was based on TOFEL(speaking, writing, listening)

General Tips: Criteria for getting shortlisted for
Capgemini’s stages of selection was performing well in puzzles and maths.

They did not stress on PORs or internships,
neither did they take the minor into account.No case study topics asked were asked.1st years- Concentrate on CG, put fight for
Day 1, Day 2 companies

2nd years- Concentrate on CG,try learning
coding(coursera) and algorithmic and financial analytics.

Try to obtain an internship in the company
you want to get placed in. It may not be a very good intern, but should be a
meaningful one.

3rd years-Focus on CG, obtain a good
internship.



Practice maths in the last 4
months.(probability mainly)



If you want a finance company, then read newspaper regularly, try to
obtain certifications like CFA, NCFM, etc.
College Name: IIT MADRAS

Round: Test
Experience: Quant was most important for the tests, fast mathematics, then technical questions. Technical questions

generally asked by the company. The tests were mostly MCQ. Some tests were there which had subjective question papers. Those subjective type tests lasted 3 hours. They would write a program to do *task* type questions. The programming

language to write the code in, was our choice. The language options were C, C++, Python, Java. Python was rarely asked

Round: Group Discussion
Tips: The skills they wanted to test was to see how well they were able to express their ideas, but without outwardly disrupting others while talking.

Round: HR Interview
Experience: The HR usually starts with “Tell me about yourself”. Then they go through the resume, and ask about the project (DDP, in this case) and internship. This was done by the HR team, just to see how the candidate is putting forth his ideas and contributions clearly. Two puzzles were given in the interview.The interview was at least 40 minutes, with 5 minutes of HR interview HR people were not interested in the depth of the resume, but rather on whether the candidate was able to talk or not. It was used to eliminate some people.
Tips: People with low CGPA had to perform exceptionally well to compensate for the low CGPA. For managerial positions, PoRs like coordships, coreships etc can be used to pitch your leadership qualities. They can start a chain of conversation that involves the work you did, on how you managed to execute the task efficiently, which ends up working in your favor.

Skill Tips: Focus on your Study.. Revise the subject that you have studied at the time of Interview
Skills: Technical Skills
College Name: IIT MADRAS