I applied through college or university. The process took 1 day. I interviewed at Big Oh Notation (Noida) in Aug 2024
Interview
I completed two rounds: a written test with two medium-level LeetCode problems, and a group interview where I was asked basic JavaScript concepts like map, filter, reduce, and the React lifecycle.
I applied through college or university. The process took 1 day. I interviewed at Big Oh Notation (Noida) in Feb 2026
Interview
It was a average interview process. They call all the candidates on the basis of leetcode solved questions if you have done 400+ you will be called for the walkin drive. All the rounds would be held on that basement office of the company. First round will include 2 easy Leetcode questions, they will ask to write optimal code on paper.
Second round will be system design based and third will be hr
Interview questions [1]
Question 1
In the penpaper round the 2 question were
1st was Leetcode's Buy & Sell stock problem
2nd was Longest Subarray of 1s After Deleting One Element
I applied through college or university. The process took 2 days. I interviewed at Big Oh Notation (Noida) in Sep 2024
Interview
It was smooth, like in first round i got 2 coding medium questions one is stock buy and sell and other was matrix multiplication and in 2nd round i have to implement a class for travel agency based project