RedBus interview experience Real time questions & tips from candidates to crack your interview
Software Engineer
RedBus
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: Approximately 2 weeks
Topics: DSA, DB related Questions, Conceptual based question from c, System Design, Problem solving
Tip 1 : Brush up on problem solving questions on medium and easy level
Tip 2 : Based on the role and Technologies be ready for Conceptual questions
Tip 3 : if it is a backend role one system design and 2 problem solving questions is mandatory
Application process
Where: Naukri
Eligibility: 2 years Experience
Tip 1 : Be short and crisp
Tip 2 : Always try to have quantitative analysis of achievements
Interview rounds
01
Round
Easy
Video Call
Duration60 Minutes
Interview date24 Sep 2021
Coding problem1
1 problem solving easy level question based on list
conceptual questions on C# and DB questions
time : 5.30 pm
1. Data structure based Question
There is a list of people objects.one object contains people name and City where they are from. Find the total number of all the people based on each city
Problem approach
create a map of city and and count of people of that city
map(cityname,total people)
create hashmap m
for(i in list){
if( m.containsKey(i.placename)){
m.set(i.placename, m.get(i.placename).value+1)
}
else{
m.set(i.placename,1)
}
}
02
Round
Easy
Video Call
Duration60 Minutes
Interview date25 Jun 2022
Coding problem1
one DSA question and conceptual questions and scenario based question
Time 1PM
interview went well
1. k-th node from the end of the linked list
Easy
15m average time
85% success
0/40
Asked in companies
Given the head node of the singly linked list and an integer ‘k’, , find the value at the kth node from the end of the linked list.
For example:
For the above-linked list, if k=2, then the value at the kth i.e second node from the end is ‘12’.
Note :
1.You don’t need to take any input. It has already been taken care of. Just implement the given function and return a pointer pointing to the k-th element from the last of the linked list.
2.It is guaranteed that k<=size of the linked list.
Problem approach
2 pointers method
loop over the list
keep one pointer at position and another pointer j at position at i-k
by the time i reaches last element j will be at kth position retturn that element
03
Round
Easy
Video Call
Duration60 Minutes
Interview date29 Jun 2022
Coding problem1
Time Around 4pm
Interview went well
1. System Design Question
Design a OTP generating system
Problem approach
Tip 1 : ask all the requirements
Tip 2 : always know about the scale of the system that is to be designed
Tip 3 : always talk to the interviewer about whats there on your mind
04
Round
Easy
HR Round
Duration30 mins
Interview date30 Jun 2022
Coding problem1
HR round and negotiations
1. Basic HR questions
1. Your strengths and weakness
2. Where do you see yourself after 5 years?
Problem approach
Tip 1 : Don't lie
Tip 2 : always speak truth
Tip 3 : ask everything what you need
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 the purpose of the return keyword?
Choose another skill to practice
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