Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview

Assistant System Engineer

Tata Consultancy Services (TCS)
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3 rounds | 6 Coding problems

Interview preparation journey

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Journey
I learned C++, then moved on to DSA (solving 800+ questions), and later the MERN stack. I was rejected by many companies, mostly due to the luck factor. You never know what an interviewer might ask — it could be something completely unexpected. I believe that learning AI, ML, and Cloud Computing could give me an advantage in future interviews.
Application story
I gave the NQT in October. My interview was conducted at the end of November, and the result came after two weeks. The joining is expected around August–September next year.
Preparation
Duration: 8 months
Topics: DSA, JS, ReactJS, Next.js, MongoDB, SQL
Tip
Tip

Tip 1: Solve at least one coding question daily on coding platforms.
Tip 2: Prepare JavaScript and the MERN stack thoroughly. Build strong projects—bonus if you implement some AI in them.
Tip 3: Strengthen your knowledge of databases, SQL, and GitHub.

Application process
Where: Campus
Eligibility: B.Tech, MCA, etc. Not more than one backlog. Graduation from open universities is not allowed. A maximum gap of two years is permitted. Minimum CGPA should be 6.0. (Salary: 3.6 LPA)
Resume Tip
Resume tip

Tip 1: Keep it simple, like Overleaf.
Tip 2: TCS focuses on certifications.

Interview rounds

01
Round
Easy
Face to Face
Duration10 Minutes
Interview date27 Nov 2024
Coding problem3

1. Swap Number Without Temporary Variable

Easy
15m average time
85% success
0/40
Asked in companies
BNY MellonOracleCisco

Given two variables ‘X’ and ‘Y’. Your task is to swap the number without using a temporary variable or third variable.

Swap means the value of ‘X’ and ‘Y’ must be interchanged. Take an example ‘X’ is 10 and ‘Y’ is 20 so your function must return ‘X’ as a 20 and ‘Y’ as a 10.

Try solving now

2. Overloading vs Overriding

Write code examples demonstrating Function Overloading and Function Overriding.

3. Permutations Of A String

Moderate
15m average time
85% success
0/80
Asked in companies
AccentureOYOTata Consultancy Services (TCS)

Write the code for a past interview question in which you were rejected. The task was to generate all permutations/combinations of the string "abc" using recursion.

Try solving now
02
Round
Easy
Face to Face
Duration10 minutes
Interview date27 Nov 2024
Coding problem2

1. DBMS

Create a table named student, insert data for 5 students including their marks, and find the student with the second highest marks.

2. OOP Concepts

03
Round
Easy
HR Round
Duration10 minutes
Interview date27 Nov 2024
Coding problem1

1. HR Questions

  • Why do you want to join TCS?
  • In which year was TCS founded?
  • Are you willing to relocate?
  • Do you have any offers in hand?
  • Are you comfortable working in the Indore location with working hours from 9 AM onwards?
  • Are you willing to work on Sundays if required?
  • Why do you think the last six companies rejected you?

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

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