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Big Oh Notation Software Engineer Interview Questions and Answers

Updated 10 Mar 2023

Big Oh Notation Software Engineer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. What is the difference between classes and struct
  • Ans. 

    Classes are reference types while structs are value types.

    • Classes support inheritance while structs do not.

    • Classes have default access modifier as internal while structs have it as private.

    • Classes have a destructor while structs do not.

    • Classes are allocated on heap while structs are allocated on stack.

    • Classes can be null while structs cannot.

  • Answered by AI
  • Q2. Dispatch Queue vs operations
  • Ans. 

    Dispatch Queue is a thread-safe way to execute tasks asynchronously, while Operations are a way to encapsulate tasks.

    • Dispatch Queue is a high-level API for managing concurrent operations.

    • Operations are objects that encapsulate a single task or multiple tasks.

    • Dispatch Queue is simpler to use and recommended for most use cases.

    • Operations provide more control over task dependencies and cancellation.

    • Both can be used togeth

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on basics and problem-solving and is tested.

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before May 2016.

Interview Preparation Tips

Round: Test
Experience: The first round had two programming questions and one question of database concepts.
Duration: 1 hour
Total Questions: 3

Round: Technical Interview
Experience: In the first technical interview, I was asked basic questions about the domain and my resume. There was also a lot of emphasis on problem solving abilities since I was asked to solve some puzzles.

Round: Technical Interview
Experience: The second technical interview was a written round where I was asked to code some searching / sorting variants , to test my ability to write quality code.

Round: Technical Interview
Experience: The last and the final round was probably the toughest and I was asked to design databases, with some constraints. I was given ample time to do it and it did take a lot of time. After that, we had some interesting questions about data structures and trees and that was it.

College Name: RNSIT, Bangalore
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Technical 

(2 Questions)

  • Q1. All about core java
  • Q2. Front end and My Sql
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Basic JS questions
  • Q2. String Concat through function
Round 3 - Coding Test 

Advanced JS, PHP related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare from the free code camp js questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. 3 Question was there related to architecture and Computer networks.
Round 2 - Technical 

(2 Questions)

  • Q1. Microservices and Monolith.
  • Q2. Leetcode hard Sum.
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 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

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

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Discussed on my last salary
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Big Oh Notation Interview FAQs

How many rounds are there in Big Oh Notation Software Engineer interview?
Big Oh Notation interview process usually has 2 rounds. The most common rounds in the Big Oh Notation interview process are Resume Shortlist and One-on-one Round.
What are the top questions asked in Big Oh Notation Software Engineer interview?

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

  1. What is the difference between classes and str...read more
  2. Dispatch Queue vs operati...read more

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Big Oh Notation Software Engineer Interview Process

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