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Big Oh Notation Software Developer Interview Questions and Answers

Updated 2 Jan 2025

Big Oh Notation Software Developer Interview Experiences

3 interviews found

Software Developer Interview Questions & Answers

user image Anil Kumar Singh

posted on 2 Jan 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - Coding Test 

The first round was DSA round and they gave 2 DSA Questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - It was based on oops concept Question with pen and paper.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Walk-in and was interviewed in Jul 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

It was medium level aptitude . but still many of the students didn't qualify that.
qualify criteria was around 50% marks in aptitude test.
20 questions in 30 minutes

Round 2 - Coding Test 

2 coding questions of medium level from leetcode
1. inplace 90 degree matrix rotation
2. longest substring

it was on a paper , not an online mode

Round 3 - Group Discussion 

General gd round , mainly to check communication

Round 4 - Technical 

(1 Question)

  • Q1. Oops medium data structure sql questions

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I applied via Campus Placement and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Realted to DSA, OOPS concept, DBMS
  • Q2. Coding questions from leetcode

Interview Preparation Tips

Interview preparation tips for other job seekers - keep yourself aware of DSA and basic DBMS concepts and also all the theoretical questions related to DSA, oops, DBMS

Software Developer Jobs at Big Oh Notation

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Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in May 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

30 min test on simple google form

Round 2 - Coding Test 

Half hour conding round on basic javascript questions

Round 3 - Coding Test 

One hour coding round on little bit intermediate javascript questions

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Leetcode Hard questions
  • Q2. IPO Leetcode Hard

I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. To find if a number is Prime or not and optimise your written code.
  • Ans. 

    Check if a number is prime and optimize the code.

    • Start by checking if the number is less than 2, in which case it is not prime.

    • Iterate from 2 to the square root of the number and check if any of them divide the number evenly.

    • If a divisor is found, the number is not prime. Otherwise, it is prime.

  • Answered by AI
  • Q2. Css question related to flex box, Grid and cross browser compatibility
  • Q3. To call an API in react and optimise your written code.
  • Ans. 

    To optimise API calls in React, use asynchronous functions and caching techniques.

    • Use async/await to handle API calls

    • Implement caching to reduce network requests

    • Use memoization to avoid unnecessary re-renders

    • Consider using a state management library like Redux

    • Use performance profiling tools like React DevTools

  • Answered by AI
  • Q4. Questions on JS concepts like Objects and Prototype Inheritance.

Interview Preparation Tips

Interview preparation tips for other job seekers - Know your basic concepts and prepare well for the interview.

Skills evaluated in this interview

I applied via Campus Placement

Round 1 - Coding Test 

Online Coding Test included some aptitude questions, technical questions followed by 3 coding questions

Round 2 - Technical 

(1 Question)

  • Q1. My technical interview included an introduction about myself followed by my background, projects I've made, internships I've done, and in which language I was comfortable. and the interviewer asked me to w...

Interview Preparation Tips

Interview preparation tips for other job seekers - Answer confidently and give examples. and you can also connect the questions asked to your past projects.

I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.

Round 1 - Coding Test 

1st test was aptitude and a easy coding test

Round 2 - Coding Test 

The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question

Round 3 - Technical 

(1 Question)

  • Q1. Round 3 was technical interview and asked from basics of computer programming and architecture
Round 4 - HR 

(4 Questions)

  • Q1. What is your family background?
  • Q2. Why are you looking for a change?
  • Q3. What are your strengths and weaknesses?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Advice is just improve basics of programming and DSA with a database management and basicsa of os and networks
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Project discussion
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Discussed on my last salary

Big Oh Notation Interview FAQs

How many rounds are there in Big Oh Notation Software Developer interview?
Big Oh Notation interview process usually has 3 rounds. The most common rounds in the Big Oh Notation interview process are Coding Test, Group Discussion and Technical.
How to prepare for Big Oh Notation Software Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Big Oh Notation. The most common topics and skills that interviewers at Big Oh Notation expect are AWS, Codeigniter, Design Patterns, MySQL and Net MVC.
What are the top questions asked in Big Oh Notation Software Developer interview?

Some of the top questions asked at the Big Oh Notation Software Developer interview -

  1. oops medium data structure sql questi...read more
  2. Realted to DSA, OOPS concept, D...read more
  3. Coding questions from leetc...read more

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Big Oh Notation Software Developer Interview Process

based on 2 interviews

Interview experience

4
  
Good
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Big Oh Notation Software Developer Salary
based on 10 salaries
₹4.2 L/yr - ₹17.6 L/yr
18% more than the average Software Developer Salary in India
View more details

Big Oh Notation Software Developer Reviews and Ratings

based on 5 reviews

4.0/5

Rating in categories

4.5

Skill development

3.4

Work-life balance

3.4

Salary

3.3

Job security

3.7

Company culture

3.3

Promotions

3.8

Work satisfaction

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