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TCS Assistant System Engineer Interview Questions, Process, and Tips

Updated 18 Mar 2025

Top TCS Assistant System Engineer Interview Questions and Answers

  • Q1. Constellation Identification Problem Given a matrix named UNIVERSE with 3 rows and 'N' columns, filled with characters {#, *, .}, where: '*' represents stars. '.' repres ...read more
  • Q2. Given a string S(input consisting) of ‘*’ and ‘#’. The length of the string is variable. The task is to find the minimum number of ‘*’ or ‘#’ to make it a ...read more
  • Q3. Space Survival Game Challenge Ninja is in space with unlimited fuel in his super spaceship. He starts with a health level H and his spaceship has an armour A . Ninja can ...read more
View all 286 questions

TCS Assistant System Engineer Interview Experiences

384 interviews found

I applied via LinkedIn and was interviewed in May 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Reasoning related seating arrangement questions,time and work,blood relations,....

Round 3 - Coding Test 

Basic programs like palindrom and prime numbers,even or odd,leap year etc...

Round 4 - Technical 

(2 Questions)

  • Q1. Based on resume interviewer asked only in what you mention in resume
  • Q2. Self introduction Java related oops concepts Sql related basic syntax Html related tags

Interview Preparation Tips

Topics to prepare for TCS Assistant System Engineer interview:
  • Java,SQL,html
Interview preparation tips for other job seekers - Known technologies only mention in resume.unnecessary topics to skip in your resume

I applied via Company Website and was interviewed in May 2022. There were 3 interview rounds.

Round 1 - Aptitude Test 

Tcs nqt exam..... Google it for this exam to know the pattern.

Round 2 - Technical 

(2 Questions)

  • Q1. Networking related questions Scenario based questions on networking SQL
  • Q2. Two coding question-program for anagrams and find the number is prime or not.
  • Ans. 

    Two coding questions - program for anagrams and finding if a number is prime or not.

    • For anagrams, compare sorted versions of the two strings.

    • For prime numbers, check if the number is divisible by any number less than its square root.

    • Use a loop to iterate through the numbers less than the square root of the number.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. 10th amd 12th percentage and ready for relocation or not.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare your self with computer fundamentals.
Basic level data structure required to crack the coding round that's come under in nqt exam.

Skills evaluated in this interview

Assistant System Engineer Interview Questions Asked at Other Companies

asked in TCS
Q1. Constellation Identification Problem Given a matrix named UNIVERS ... read more
asked in TCS
Q2. Given a string S(input consisting) of ‘*’ and ‘#’. The le ... read more
asked in TCS
Q3. Space Survival Game Challenge Ninja is in space with unlimited fu ... read more
asked in TCS
Q4. Prime Time Again Problem Statement You are given two integers DAY ... read more
asked in TCS
Q5. Valid Pairs Problem Statement Given an array of integers ARR with ... read more
Interview experience
3
Average
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
No response

I applied via Company Website and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

2 coding Questions based on any programmin language

Round 2 - One-on-one 

(3 Questions)

  • Q1. Questions based on topics mentioned in resume
  • Q2. What is Machine Learning.
  • Ans. 

    Machine learning is a branch of artificial intelligence that involves developing algorithms and models that allow computers to learn from and make predictions or decisions based on data.

    • Machine learning involves training algorithms to learn patterns and make predictions or decisions without being explicitly programmed.

    • It uses data to improve performance on a specific task over time.

    • Examples include recommendation syste...

  • Answered by AI
  • Q3. Vraiables in python
  • Ans. 

    Variables in Python are used to store data values and can be assigned different types of data.

    • Variables in Python do not need to be declared with a specific data type.

    • Variables are assigned using the = operator.

    • Variables can be reassigned to different values throughout the program.

    • Variable names must start with a letter or underscore, followed by letters, numbers, or underscores.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Basic HR questions

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic OOPS concepts in java
  • Q2. Project Based question and 2 question on sql joins

Interview Preparation Tips

Interview preparation tips for other job seekers - As fresher be sharp on your basic concepts

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Assistant System Engineer Interview Questions & Answers

user image 4007 B.charan kumar

posted on 20 Mar 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Coding test was 1st round, it was little bit tough

Round 2 - Technical 

(3 Questions)

  • Q1. It was a bit tough
  • Q2. All basic on python and previous projects
  • Q3. They asking what ever that u r mentioned in resume
Round 3 - HR 

(3 Questions)

  • Q1. Its is easy .
  • Q2. About organization
  • Q3. About work load management

Get interview-ready with Top TCS Interview Questions

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

NQT normal question little difficult .

Round 2 - Technical 

(2 Questions)

  • Q1. College project question and c cpp question java oops question some.
  • Q2. Normal fresher questions and asked me to make one code on array,and that time only HR interview happened after some time. There also same normal TCS HR questions only.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

All the aptitute questions

Round 2 - Technical 

(2 Questions)

  • Q1. Technical questions
  • Q2. Asked about my projects

Interview Preparation Tips

Topics to prepare for TCS Assistant System Engineer interview:
  • Java
  • Springboot
Interview preparation tips for other job seekers - Good company
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jan 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Basic Aptitude questions, Numerical ability,patterns,days and work, Arthemetical Progression, rotational.

Round 3 - Coding Test 

They ask you to write a code for a particular scenario given in any of languages Java,c++,python.

Round 4 - Technical 

(3 Questions)

  • Q1. In the technical round they ask basic programming questions in which language your comfortable
  • Q2. What are Oops concepts in Java?
  • Ans. 

    Oops concepts are the fundamental principles of object-oriented programming in Java.

    • Encapsulation: wrapping data and methods into a single unit

    • Inheritance: creating new classes from existing ones

    • Polymorphism: using a single method to perform different tasks

    • Abstraction: hiding implementation details and showing only necessary information

  • Answered by AI
  • Q3. What is difference between static and dynamic polymorphism.
  • Ans. 

    Static polymorphism is resolved at compile-time while dynamic polymorphism is resolved at runtime.

    • Static polymorphism is achieved through function overloading and operator overloading.

    • Dynamic polymorphism is achieved through virtual functions and function overriding.

    • Static polymorphism is faster as it is resolved at compile-time.

    • Dynamic polymorphism is more flexible as it allows for runtime binding of functions.

    • Example...

  • Answered by AI
Round 5 - HR 

(2 Questions)

  • Q1. They test your personality and communication and as well as your English skills.they also ask for your self introduction and are you comfortable in relocation
  • Q2. Introduce yourself and what are your strengths and weakness

Interview Preparation Tips

Interview preparation tips for other job seekers - There recuting process is very slow
Be patient in this

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

We were asked questions regarding quantitative aptitude( time and distance, speed, ratio proportions, logarithms, coding, decoding),logic reasong questions related to blood relation, age.

Round 2 - Technical 

(1 Question)

  • Q1. Explain OOPS concepts, polymorphism, inheritance eith examples, example about SQl, commands, operating system architecture.
Round 3 - HR 

(1 Question)

  • Q1. What were your stengths and weaknesses? Are you willing to relocate? What major difficulty did you face and how did you overcome it!

Interview Preparation Tips

Topics to prepare for TCS Assistant System Engineer interview:
  • Operating Systems
  • Object Oriented Programming
  • SQL
  • Java
  • C++

I applied via Campus Placement

Round 1 - Coding Test 

Aptitude a d Coding test. Fairly easy.

Round 2 - Technical 

(1 Question)

  • Q1. Was asked normal interview questions on Data Structures, Databases, Python(because I had mentioned in CV). Again not too difficult.

Interview Preparation Tips

Interview preparation tips for other job seekers - Do not join TCS at early stage in your career. Not only will they ruin your career by randomly throwing you into support projets, but you will be fed up by non exist ant hikes. I joined as a fresher and wish I has someone to tell me this earlier so that I could come to TCS after 5 or 10 years later to chill.

TCS Interview FAQs

How many rounds are there in TCS Assistant System Engineer interview?
TCS interview process usually has 2-3 rounds. The most common rounds in the TCS interview process are Technical, Aptitude Test and HR.
What are the top questions asked in TCS Assistant System Engineer interview?

Some of the top questions asked at the TCS Assistant System Engineer interview -

  1. What are the functions used in a particular co...read more
  2. What is linklist ? Write a code to insert a node at the beginning of lis...read more
  3. What are local variable and global variables? and their default values and prog...read more
How long is the TCS Assistant System Engineer interview process?

The duration of TCS Assistant System Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

TCS Assistant System Engineer Interview Process

based on 263 interviews

6 Interview rounds

  • Aptitude Test Round
  • HR Round - 1
  • Technical Round
  • HR Round - 2
  • HR Round - 3
  • Personal Interview1 Round
View more
TCS Assistant System Engineer Salary
based on 29.8k salaries
₹2.2 L/yr - ₹5.8 L/yr
At par with the average Assistant System Engineer Salary in India
View more details

TCS Assistant System Engineer Reviews and Ratings

based on 3.6k reviews

3.7/5

Rating in categories

3.5

Skill development

3.9

Work-life balance

2.7

Salary

4.6

Job security

3.7

Company culture

2.7

Promotions

3.3

Work satisfaction

Explore 3.6k Reviews and Ratings
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