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TCS Software Engineer Interview Questions, Process, and Tips

Updated 29 Mar 2025

Top TCS Software Engineer Interview Questions and Answers

  • Q1. Find the Duplicate Number Problem Statement Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there i ...read more
  • Q2. Find the Second Largest Element Given an array or list of integers 'ARR', identify the second largest element in 'ARR'. If a second largest element does not exist, retur ...read more
  • Q3. What is the reason that the Iterative Waterfall model was introduced?
View all 276 questions

TCS Software Engineer Interview Experiences

454 interviews found

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

Leetcode medium asked. Merging the intervals

Round 2 - Technical 

(1 Question)

  • Q1. What is spring framework, decorator pattern etc.
  • Ans. 

    Spring framework is a Java platform that provides comprehensive infrastructure support for developing Java applications.

    • Spring framework facilitates the development of enterprise applications by providing solutions for dependency injection, aspect-oriented programming, and more.

    • It promotes good design practices such as loose coupling and separation of concerns.

    • Decorator pattern is a structural design pattern that allow...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Hard
Process Duration
2-4 weeks
Result
No response

I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is indexes
  • Ans. 

    Indexes are data structures used to improve the speed of data retrieval in databases by allowing quick access to specific rows.

    • Indexes are created on columns in a database table to speed up the retrieval of rows matching a certain condition.

    • They work similar to the index in a book, allowing you to quickly find the information you need.

    • Examples of indexes include primary keys, unique keys, and non-unique indexes.

  • Answered by AI
  • Q2. What is round robin
  • Ans. 

    Round robin is a scheduling algorithm that assigns equal time slices to each process in a circular manner.

    • Each process is given a small unit of time to execute before moving to the next process

    • Helps in achieving fairness in resource allocation

    • Used in CPU scheduling, load balancing, and network routing

  • Answered by AI

Skills evaluated in this interview

Software Engineer Interview Questions Asked at Other Companies

asked in Qualcomm
Q1. Bridge and torch problem : Four people come to a river in the nig ... read more
asked in Capgemini
Q2. In a dark room,there is a box of 18 white and 5 black gloves. You ... read more
asked in TCS
Q3. Find the Duplicate Number Problem Statement Given an integer arra ... read more
Q4. Tell me something about yourself. Define encapsulation. What is i ... read more
asked in Paytm
Q5. Puzzle : 100 people are standing in a circle .each one is allowed ... read more
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is the use of volatile keyword?
  • Ans. 

    Volatile keyword is used in multithreaded programming to indicate that a variable's value can be changed unexpectedly.

    • Ensures that the variable is always read from and written to the main memory, not from a cache

    • Useful for variables shared between multiple threads to prevent unexpected behavior

    • Does not guarantee atomicity or thread safety, additional synchronization may be needed

  • Answered by AI
  • Q2. Features of SringBoot
  • Ans. 

    Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and tools.

    • Spring Boot eliminates the need for manual configuration by providing defaults for most settings.

    • It includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy standalone applications.

    • Spring Boot offers production-ready features like metrics, health checks, and externali...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - This was my second time bad experience with TCS because of audio issue, If audio issue is there ask them to reschedule the interview, otherwise even though its there problem they are gonna reject you.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
No response
Round 1 - Aptitude Test 

Good test, little tough

Round 2 - One-on-one 

(2 Questions)

  • Q1. Define lists used in DSA?
  • Ans. 

    Lists in DSA are data structures that store a collection of elements in a specific order.

    • Lists allow for easy insertion and deletion of elements.

    • Examples include linked lists, arrays, and doubly linked lists.

    • Lists can be implemented using arrays or linked nodes.

  • Answered by AI
  • Q2. Why do we use algorithms
  • Ans. 

    Algorithms are used to solve complex problems efficiently and accurately in various fields.

    • Algorithms help in optimizing processes and improving performance.

    • They are used in various applications such as search engines, recommendation systems, and data analysis.

    • Algorithms are essential in computer science for tasks like sorting, searching, and graph traversal.

  • Answered by AI

Skills evaluated in this interview

TCS interview questions for designations

 Associate Software Engineer

 (94)

 Senior Software Engineer

 (62)

 Assistant Software Engineer

 (22)

 Software Engineer Trainee

 (19)

 Software Testing Engineer

 (15)

 Junior Software Engineer

 (11)

 Software Development Engineer

 (9)

 Software QA Engineer

 (3)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
No response

I applied via Campus Placement

Round 1 - Coding Test 

Write a Tim Sort in COBOL

Round 2 - Group Discussion 

Write a merge sort in Hindi

Get interview-ready with Top TCS Interview Questions

Software Engineer Interview Questions & Answers

user image Basheer unnisa

posted on 23 Sep 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

2 sections 1)aptitude 2)coding

Round 2 - Technical 

(2 Questions)

  • Q1. SQL queries basic and little advanced
  • Q2. And completely from resume like project
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Campus Placement and was interviewed in Jun 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

General aptitude questions were asked

Round 2 - Coding Test 

One of the worst compilers and ide i have seen till now, better practice to program in a notepad

Round 3 - Technical 

(3 Questions)

  • Q1. About data analytics
  • Q2. About electronics
  • Q3. About the electronic components resistor, Diode, etc..
Round 4 - HR 

(2 Questions)

  • Q1. Are you willing to relocate ?
  • Ans. 

    Yes, I am open to relocating for the right opportunity.

    • I am open to relocating for the right job opportunity

    • I have relocated for previous jobs and am comfortable with the process

    • I am willing to consider different locations based on the job offer

  • Answered by AI
  • Q2. Are you willing to join
  • Ans. 

    Yes, I am willing to join.

    • I am excited about the opportunity to work as a Software Engineer.

    • I am ready to contribute my skills and knowledge to the team.

    • I am eager to learn and grow in this role.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Mention the things what ever you, and only uh know. The entire interview will be around your resume

Software Engineer Interview Questions & Answers

user image Harika sabbella

posted on 9 Jul 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

All questions regarding aptitude were asked

Round 2 - Coding Test 

There are two questions given. The level of the questions are medium and hard.

Round 3 - Technical 

(3 Questions)

  • Q1. You are ECE, why have you chosen software?
  • Ans. 

    I chose software because of my passion for coding and problem-solving, and the endless opportunities for innovation and growth in the field.

    • Passion for coding and problem-solving

    • Endless opportunities for innovation and growth

    • Interest in technology and software development

    • Ability to work on diverse projects and industries

  • Answered by AI
  • Q2. Pattern and prime number code
  • Q3. What are constraints? What are OS layers?
  • Ans. 

    Constraints are limitations or restrictions placed on a system or software. OS layers refer to the different levels of an operating system.

    • Constraints can include limitations on resources such as memory or processing power

    • Constraints can also refer to design limitations or requirements imposed by stakeholders

    • OS layers typically include the kernel, device drivers, system libraries, and user interface

    • Examples of constrai...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well and answer confidently

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
No response

I applied via Company Website and was interviewed in Jun 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

Aptitude test conducted in nqt tcs

Round 2 - Coding Test 

Coding test conducted in nqt tcs

Round 3 - Technical 

(2 Questions)

  • Q1. Print Prime number till n numbers
  • Ans. 

    A program to print prime numbers up to n numbers

    • Iterate through numbers from 2 to n

    • Check if each number is prime by dividing it by numbers up to its square root

    • If a number is prime, add it to the list of prime numbers

  • Answered by AI
  • Q2. Sql dbms questions asked in ok yes
Round 4 - HR 

(2 Questions)

  • Q1. About ur self not in resume
  • Q2. Why IT field in general you want
  • Ans. 

    I am passionate about technology and enjoy problem-solving in the IT field.

    • Passion for technology and innovation

    • Enjoy problem-solving and logical thinking

    • Opportunities for continuous learning and growth

    • High demand for IT professionals in various industries

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - HR 

(3 Questions)

  • Q1. What is the BHEL?
  • Q2. What is the HTML?
  • Q3. What is the CSS?
Round 2 - HR 

(2 Questions)

  • Q1. What is tha Ms Word?
  • Q2. What is the Ma Power point?

TCS Interview FAQs

How many rounds are there in TCS Software Engineer interview?
TCS interview process usually has 2-3 rounds. The most common rounds in the TCS interview process are Technical, Aptitude Test and Resume Shortlist.
How to prepare for TCS Software Engineer 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 TCS. The most common topics and skills that interviewers at TCS expect are Java, SQL, Unix, Adc and C.
What are the top questions asked in TCS Software Engineer interview?

Some of the top questions asked at the TCS Software Engineer interview -

  1. Can you describe a challenging technical problem you faced and how you solve it...read more
  2. How do you stay up to date with emerging technologies and programming languag...read more
  3. Explain the difference between ArrayList and LinkedList in Java. ArrayList is i...read more
How long is the TCS Software Engineer interview process?

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

Tell us how to improve this page.

TCS Software Engineer Interview Process

based on 283 interviews

5 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
  • HR Round - 1
  • HR Round - 2
  • Personal Interview1 Round
View more
TCS Software Engineer Salary
based on 23.5k salaries
₹3 L/yr - ₹11.5 L/yr
15% less than the average Software Engineer Salary in India
View more details

TCS Software Engineer Reviews and Ratings

based on 1.5k reviews

3.9/5

Rating in categories

3.7

Skill development

4.1

Work-life balance

3.1

Salary

4.5

Job security

3.9

Company culture

3.0

Promotions

3.6

Work satisfaction

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