TCS interview experience Real time questions & tips from candidates to crack your interview
Android Developer
TCS
3 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 Months
Topics: Android basics, MVVM Dagger, Retrofit, oops, Strings, Linked list, Trees and graphs
Tip 1 : Practice DSA daily
Tip 2 : Deep dive into core topics
Application process
Where: Linkedin
Eligibility: BTech Candidate with 2 years of software development experience
Tip 1 : Highlight your key skills
Tip 2 : Do prepare everything you mentioned in your resume
Interview rounds
01
Round
Easy
Telephonic
Duration90 minutes
Interview date26 Nov 2021
Coding problem2
Easy level questions were asked from data structures like array, linked list, Strings, sorting and Android basics with Kotlin.
1. Intersection of Two Arrays II
Easy
15m average time
85% success
0/40
Asked in companies
Given a sequence of numbers ‘ARR’. Your task is to return a sorted sequence of ‘ARR’ in non-descending order with help of the merge sort algorithm.
Example :
Merge Sort Algorithm -
Merge sort is a Divide and Conquer based Algorithm. It divides the input array into two-parts, until the size of the input array is not ‘1’. In the return part, it will merge two sorted arrays a return a whole merged sorted array.
The above illustrates shows how merge sort works.
Note :
It is compulsory to use the ‘Merge Sort’ algorithm.
2. Merge Sort
02
Round
Easy
Video Call
Duration60 minutes
Interview date28 Nov 2021
Coding problem1
Interview was in the evening and was it was a coding round.
1. Add Linked Lists
Easy
20m average time
80% success
0/40
Asked in companies
Given two numbers represented by linked lists. Your task is find the sum list and return the head of the sum list.
The sum list is a linked list representation of addition of two numbers.
Problem approach
normal traversing approach of linked list
03
Round
Easy
HR Round
Duration30 minutes
Interview date30 Nov 2021
Coding problem1
normal HR and salary related questions
1. Basic HR Questions
Tell me about yourself.
Why do you want to work for our company?
What is your biggest achievement so far?
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
Choose another skill to practice
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