RedBus interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
RedBus
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 Months
Topics: DS & Algo, System Design High Level, Java, Spring Boot, DBMS
Tip 1 : Solve Leetcode Top 100 Questions
Tip 2 : Try to watch system design video as a hobby each day 1 video
Tip 3 : Participate in hackathons
Application process
Where: Referral
Eligibility: No specific eligibility crietria asked
Tip 1 : Keep resume short and with key skills only.
Tip 2 : Add leetcode, hackerrank, codechef etc. handle in the resume
Interview rounds
01
Round
Easy
Video Call
Duration60 Minutes
Interview date5 Aug 2021
Coding problem1
Timing: Evening 5:00
Environment was good. It was a Google meet call. The interviewer was very easy to approach. The environment boosted the confidence.
I was asked a problem solving question & also some questions of Java & DBMS.
1. Two Sum
Easy
10m average time
90% success
0/40
Asked in companies
You are given an array of integers 'ARR' of length 'N' and an integer Target. Your task is to return all pairs of elements such that they add up to Target.
Note:
We cannot use the element at a given index twice.
Follow Up:
Try to do this problem in O(N) time complexity.
Problem approach
I first gave the brute force solution to the interviewer with O(n*n) time complexity, and then gave the optimal solution using HashMap with O(n) complexity.
02
Round
Medium
Face to Face
Duration60 Minutes
Interview date12 Aug 2021
Coding problem1
The interview timing was 2:00 in afternoon.
The atmosphere was good and communication with interviewer was easy.
1. System Design Question
I was asked to design Instagram at High level.
Problem approach
Tip 1 : Keep in mind about the tables required to build the system
Tip 2 : Instagram feed does not store posts of celebrity in cache as it can lead to a lot of load on the system.
03
Round
Medium
Video Call
Duration60 Minutes
Interview date17 Aug 2021
Coding problem1
Timing was 2:00 in afternoon.
There were 2 interviewers in this round. The interviewers were again easy to approach and communication was easy.
1. System Design Question
Design Chat System like whatsap
Problem approach
Tip 1 : Storage of message should be done on users device end and receivers device.
Tip 2 : Think about group messaging
04
Round
Easy
HR Round
Duration60 minutes
Interview date20 Aug 2021
Coding problem1
Timing 5:00 pm.
Environment was good.
Interviewer was good and easy to approach
1. Basic HR Questions
1) Tell me something about yourself?
2) Why should we hire you?
3) What were the most difficult situations you went through and how did you respond to them?
Problem approach
Tip 1 : Do some hand written exercise on how to respond to all these questions asked
Tip 2 : Be confident and simple with your answers
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
Similar interview experiences
Software Engineer
4 rounds | 4 problems
Interviewed by RedBus
Selected 
1601 views
0 comments
0 upvotes
SDE - 1
4 rounds | 4 problems
Interviewed by RedBus
Selected 1542 views
0 comments
0 upvotes
SDE - Intern
3 rounds | 5 problems
Interviewed by RedBus
Rejected
1016 views
0 comments
0 upvotes
SDE - 1
3 rounds | 6 problems
Interviewed by RedBus
Rejected
1509 views
0 comments
0 upvotes
Companies with similar interview experiences
SDE - 2
5 rounds | 12 problems
Interviewed by Walmart
Selected 29739 views
8 comments
0 upvotes
SDE - 2
3 rounds | 4 problems
Interviewed by HashedIn
Selected 9654 views
0 comments
0 upvotes
SDE - 2
3 rounds | 5 problems
Interviewed by Amazon
Rejected
6727 views
1 comments
0 upvotes