FloBiz interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
FloBiz
2 rounds | 11 Coding
problems
Selected Interview preparation journey
Preparation
Topics: Data Structures,Algorithms,System Design,OOPS,RDBMS
Tip 1 : Practice easy to medium-level questions on Leetcode.
Tip 2 : Make sure you are good in system design
Application process
Where: Other
Eligibility: No
Tip 1 : Don't exceed your resume by more than 1 page.
Tip 2 : Explain your work role in the last org in detail
Interview rounds
01
Round
Medium
Video Call
Duration60 minutes
Interview date2 May 2022
Coding problem2
This round was taken by the Head of Engineering and he was very humble.
The round went pretty well but I didn't hear from them for 10 days, I thought to contact him by phone and it worked out.
He said that I tried contacting you but you didn't pick up, I never got any call from them.
He scheduled the next system design round for me, though it was very weird for me to ask him about my result.
1. Rotate Array ll
Moderate
0/80
Asked in companies
You are given an array ‘NUM’ containing ‘N’ integers, the direction of rotation ‘D’, and the number of rotations ‘R’.
You have to rotate the given array ‘R’ times. If the direction of rotation ‘D’ has a value equal to ‘f’ then you have to rotate the array forward else if it has a value equal to ‘b’ then rotate the array backward.
For Example :
If N = 3, num = [2, 4, 7], D = ‘f’, R = 1.
You have to rotate the array 1 time in the forward direction. Hence, the output will be [7, 2, 4].
Problem approach
I came up with an approach using o(n) space but he said to optimize it.
I did it by reversing the array 3 times which reduced the time complexity to o(1)
2. System Design Question
Explain to me the last working feature you have developed in your organisation.
Lots of discussion on databases, hooks, and cron jobs.
Some discussion on microservice architecture.
02
Round
Hard
Video Call
Duration90 minutes
Interview date19 May 2022
Coding problem9
This round was to test my system design skills and the interviewer kept on asking everything in detail.
I was saying a word and he was creating questions from that.
Though this round didn't go as well as my previous round but I got to know so many things from him in a short period of time.
I waited for 3 days but I didn't hear from them, I kept on calling them to at least know my results of the round but the HR never picked up.
Even if I was rejected, I still have the right to know my feedback and result.
1. System Design Question
Design amazon seller enlisting service.
He wanted me to design the whole system for that.
How to show the details of all sellers who are selling a product?
What are the relations b/w the tables that you have designed?
I was not able to design the system properly but he was somewhat satisfied with my answer.
Problem approach
Tip 1: Make sure you have enough explanation of what you are designing.
2. System Design Question
Design an amazon search service where the number of records is greater than 10M.
3. DBMS Question
How would you scale your SQL database?
On what basis you will distribute the data in distributed data systems.
4. Networking Question
How do set up a proxy and what are its use cases of it?
5. Computer Networking Question
What happens when we type Google.com in the browser?
6. Computer Networking Question
How connection is established once you get the IP address from the DNS server?
He wanted me to explain all steps in the HTTP request.
7. Technical Question
What is replication lag?
8. DBMS Questions
How indexes are stored internally.
What are composite indexes?
I answered that we use a B tree then he asked if it is a binary tree or some other type of tree that we use to store indexes.
I answered him that we use the B+ tree whenever we are strong indexes in databases.
9. System Design Question
How would you increase the performance of your corn job?
Problem approach
Tip 1: I directly jumped to the solution before even asking what was the problem that we are facing.
Tip 2: I came up with the solution of using indexes in the database so that read speed could be increased also I explained to him that we can create a microservice that would be run by a lambda function.
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?
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