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Big Basket interview experience Real time questions & tips from candidates to crack your interview
Senior Software Engineer
Big Basket
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4 rounds | 13 Coding problems
Interview preparation journey
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Preparation
Duration: 3 months
Topics: Data structure, Problem Solving, Algorithms, Java, Spring Framework, Design Questions
Tip
Tip

Tip 1 : Practise Data structures mostly (Array, String and Tree) and practise as many questions as you can.
Tip 2 : Have Good knowledge of Tech Stack that you have mentioned in your resume
Tip 3 : Have a good understanding of projects mentioned in your resume.

Application process
Where: Other
Eligibility: Above 2 years of experience
Resume Tip
Resume tip

Tip 1 : Resume should be having one page or maximum of two pages long
Tip 2 : Mention your role on each project

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date30 Dec 2021
Coding problem2

It was a time-bound coding test round. The questions were from array and string. There were 2 questions.

1. Given a string, find the next smallest palindrome
Easy
12m average time
80% success
0/40
Asked in companies
ZomatoBig BasketQuikr

You are given a number 'N' in the form of a string 'S', your task is to find the smallest number strictly greater than the given number 'N' which is a palindrome.

Note:

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2. Longest sub-array with positive product
Easy
15m average time
85% success
0/40
Asked in companies
ArcesiumFlipkartBig Basket

You are given an array ‘ARR’ of ‘N’ integers, you need to find the maximum length of the sub-array such that the product of elements of the sub-array is positive.

For Example:
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02
Round
Easy
Video Call
Duration60 minutes
Interview date1 Feb 2022
Coding problem1

Questions were around Java basics(OOPs concepts, Multithreading, Inner classes, Java 8 features) and one array question.

1. Subarray With Given Sum
Moderate
15m average time
85% success
0/80
Asked in companies
Info Edge India (Naukri.com)DunzoAmazon

Given an array ARR of N integers and an integer ...

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03
Round
Medium
Video Call
Duration60 minutes
Interview date3 Feb 2022
Coding problem6

Questions were around Java again mostly on collections and on Spring as well. Some questions were on design patterns like Singleton, Factory design patterns etc.

The interviewer also asked me to write a code for singleton and after that make the code thread-safe.

1. Design Pattern Question

What are the types of design patterns in Java?

2. Design Pattern Question

How can you achieve thread-safe singleton patterns in Java?

3. Design Pattern Question

What is a Factory Design Pattern?

4. Spring Question

What are the bean scopes available in Spring?

5. Spring Question

What are the features of Spring Framework?

6. Spring Question

Differentiate between Spring and Spring Boot.

04
Round
Hard
Video Call
Duration60 minutes
Interview date15 Feb 2022
Coding problem4

One question was about writing REST API for crud operations for a given java class.
Some questions were on unit test.
One question was on the implementation of queue in FCFS order. Choose a proper data structure.
Rest of the questions were on my project.

1. REST API Question

Differentiate between SOAP and REST

2. Unit Testing Question

What are the various types of Unit Testing for a software app?

3. Unit Testing Question

How Can We Make Nunit Test Cases Data Driven?

4. REST API Question

What is the concept of statelessness in REST?

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