Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
System Engineer
Tata Consultancy Services (TCS)
3 rounds | 2 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 Months
Topics: Aptitude, Data Structures, Oops, Computer fundamental, Machine Learning
Tip 1 : If you are fresher, focus on DS & Algo and fundamentals
Tip 2 : Have a good knowledge in at least one of the trendy domain (Big Data, ML, Cloud, Blockchain, etc)
Application process
Where: Campus
Eligibility: 7 CGPA
Tip 1 : Customize your resume according to job description, Highlight main skills with experience (if any).
Tip 2 : Use Buzzwords (In order to pass ATS filter).
Tip 3 : For freshers Projects are most important. Know inside out of your project (why particular framework/tech stack, why particular database, etc).
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date15 Sep 2021
Coding problem0
This Round basically test your Aptitude and English. Aptitude is of medium level covering topics : Probability, Calendar
P&C, Allegation and Mixtures, Averages, Work and Time, Speed and Distance.
02
Round
Easy
Online Coding Test
Duration60 Minutes
Interview date15 Sep 2021
Coding problem2
. Coding questions asked is of easy level (Topics : Strings, Array, Math)
1. Rotate Linked List
Moderate
25m average time
65% success
0/80
Asked in companies
You are given a linked list having ‘n’ nodes and an integer ‘k’.
You have to rotate the linked list to the right by ‘k’ positions .
Example :
Input: linked list = [1 2 3 4] , k = 2
Output: 3 4 1 2
Explanation:
We have to rotate the given linked list to the right 2 times. After rotating it to the right once it becomes 4->1->2->3. After rotating it to the right again, it becomes 3->4->1->2.
2. Is Node Present?
Easy
10m average time
98% success
0/40
Asked in companies
For a given Binary Tree of type integer and a number X, find whether a node exists in the tree with data X or not.
03
Round
Easy
HR Round
Duration40 Minutes
Interview date17 Sep 2021
Coding problem0
Round was focused on my Knowledge around trendy technologies, fundamentals and my projects. It started with medium SQL queries then some basic ML questions (bias vs variance, give example of unsupervised learning algorithm, why I chose particular Algorithm in my project). After that Interviewee gave me a situation in which a food order data of different places was given. I need to tell how it can be used if we need to made a Zomato type food delivery service. It was more of a discussion and Interviewee wants to know my approach, which tools and tricks I will use to Analyze the data and which database(SQL or NoSQL) I will used to store data. In the end some basic HR questions were asked like where do you see yourself in next five years, do you have any problem with relocation, etc.
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Skill covered: Programming
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