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RenewBuy Backend Developer Interview Questions and Answers

Updated 7 Dec 2022

RenewBuy Backend Developer Interview Experiences

1 interview found

Backend Developer Interview Questions & Answers

user image Ajit Kumar Yadav

posted on 7 Dec 2022

I applied via Campus Placement and was interviewed in Jun 2022. There were 5 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 tips
Round 2 - Assignment 

The first is a simple assignment where some of G.K questions where asked

Round 3 - Aptitude Test 

The second round is aptitude as well as technical questions

Round 4 - Technical 

(1 Question)

  • Q1. This is a technical round where the interviewer asked questions from OOPs, data base, data structure, and Python as I'm appearing for Python Backend developer also the interview gave a question to solve fr...
Round 5 - Technical 

(1 Question)

  • Q1. This is same as the previous round but more questions were asked from Pyhton

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well before appearing for the any interview read interview experience of people who appeared for the interview

Interview questions from similar companies

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

You must know how to code

Round 2 - Technical 

(1 Question)

  • Q1. You should have thorough knowledge of DSA
Round 3 - Technical 

(1 Question)

  • Q1. You should have some projects to discuss

I was interviewed in May 2022.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 Minutes
Round difficulty - Medium

The round consisted of 2 Coding based based questions.
These question were easy for as I have already done this while preparing.

  • Q1. 

    Flip Equivalent Binary Tree Problem

    Determine whether two binary trees, given by their roots 'ROOT1' and 'ROOT2', are flip equivalent. A tree can be transformed into a flip equivalent through any number o...

  • Ans. 

    The problem is to determine if two binary trees are flip equivalent after performing flip operations on one of the trees.

    • Perform a depth-first search (DFS) on both trees simultaneously

    • At each node, check if the values are equal and the left and right subtrees are either both null or both not null

    • If the above conditions are met, recursively check the flip equivalence of the left and right subtrees

    • If any of the condition...

  • Answered by AI
  • Q2. 

    Split Array Into Increasing Subsequences Problem Statement

    You are provided with an integer array ARR of size N sorted in ascending order. Your task is to determine if it is possible to split this array i...

  • Ans. 

    The task is to determine if an integer array can be split into one or more increasing subsequences with a length of at least 3.

    • Check if the array can be split into increasing subsequences by iterating through the array.

    • Keep track of the current subsequence and its length while iterating.

    • If the difference between the current element and the previous element is not 1, start a new subsequence.

    • If the length of any subseque...

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

The interview started a bit late as I it to be at 11:30 am but started at 12:15pm So Had to wait. Apart from these the overall experience was great and the interviewer was also kind and had a smiling face.

  • Q1. 

    Ninja and Alternating Largest Problem Statement

    Ninja is given a sequence of numbers and needs to rearrange them so that every second element is greater than its neighbors on both sides.

    Example:

    Input:
    ...
  • Ans. 

    The task is to rearrange the given array such that every second element is greater than its left and right element.

    • Iterate through the array and check if every second element is greater than its left and right element

    • If not, swap the current element with its adjacent element to satisfy the condition

    • Continue this process until the entire array satisfies the condition

    • Return 1 if the array satisfies the condition, else re

  • Answered by AI
Round 3 - Video Call 

Round duration - 30 Minutes
Round difficulty - Easy

10:30 PM 
Interviewer was Cool.

Round 4 - HR 

Round duration - 5 minutes
Round difficulty - Easy

At 10:00 am

Interview Preparation Tips

Eligibility criteriaNo criteria But only 8+ plus CGPA were eventually shortlisted on basis of resumeAcko interview preparation:Topics to prepare for the interview - DSA, DBMS, Puzzles, OS, System DesignTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Never never try to cheat in online interview the interviewer will definitely get to know.
Tip 2 : Psuedo code presentation matters a lot so name Your variable properly and with proper indentation.
Tip 3 : Keep on trying even if You feel that's not the right answer so at least put that idea forward.
Tip 4 : Do Leetcode medium questions as much as possible As they are mostly asked in Interviews.

Application resume tips for other job seekers

Tip 1 : Avoid unnecessary details on Resume
Tip 2 : Make It look clean and also keep it of one page

Final outcome of the interviewSelected

Skills evaluated in this interview

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

(2 Questions)

  • Q1. What lib list ?
  • Ans. 

    A list of libraries used in software development.

    • Common libraries like React, Angular, jQuery

    • Backend libraries like Express, Django, Spring

    • Database libraries like Sequelize, SQLAlchemy, Hibernate

  • Answered by AI
  • Q2. What is Physical file
  • Ans. 

    A physical file is a file stored on a physical storage device, such as a hard drive or solid-state drive.

    • Physical files are stored on physical storage devices like hard drives or SSDs.

    • They can be accessed and manipulated by software applications.

    • Examples include text documents, images, videos, and executable programs.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is batch job
  • Ans. 

    A batch job is a program that processes a large amount of data in a single run without user interaction.

    • Batch jobs are typically scheduled to run at specific times, often during off-peak hours.

    • They are commonly used for tasks such as data processing, report generation, and system maintenance.

    • Examples of batch job tools include cron in Unix/Linux systems and Task Scheduler in Windows.

  • Answered by AI
  • Q2. What is interctive job
  • Ans. 

    An interactive job is a task or project that requires active participation and engagement from the user.

    • Interactive jobs involve real-time feedback and communication between the user and the system.

    • Examples include video games, online surveys, and interactive websites.

    • Users have control over the outcome of the task based on their input and decisions.

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed before Jun 2023.

Round 1 - One-on-one 

(2 Questions)

  • Q1. DSA Round & Introduction Round
  • Q2. DP Question related to subsequence
Round 2 - Technical 

(2 Questions)

  • Q1. Design Parking Lot
  • Ans. 

    Design a parking lot system with multiple levels and spots for cars.

    • Create a class for ParkingLot with attributes like levels, spots per level, etc.

    • Implement methods for parking a car, removing a car, checking availability, etc.

    • Consider implementing a ticketing system for tracking parked cars.

    • Utilize data structures like arrays, lists, or maps to manage parking spots efficiently.

  • Answered by AI
  • Q2. Sort Numbers with large file
  • Ans. 

    Use external sorting algorithm like merge sort to efficiently sort numbers in a large file.

    • Break the large file into smaller chunks that can fit into memory

    • Sort each chunk individually using a sorting algorithm like merge sort

    • Merge the sorted chunks back together to get the final sorted result

  • Answered by AI

Skills evaluated in this interview

I applied via Recruitment Consulltant and was interviewed in Sep 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Apti and coding

Round 2 - Technical 

(1 Question)

  • Q1. Questions on java a d sql

Interview Preparation Tips

Interview preparation tips for other job seekers - Bogus interview . Doesnt matter how you give the interview , they will choose some random guy who is not worthy maybe

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

Interview Questionnaire 

4 Questions

  • Q1. Y r u choosing this job only??
  • Ans. Because I want to share my ideas and innovative to others and to develop our company in good manner.
  • Answered Anonymously
  • Q2. What's your dream?
  • Q3. My dream is to got a job
  • Q4. How much salary will you expected??

Interview Preparation Tips

Interview preparation tips for other job seekers - My advice is to be positive at any situation and be active .
Don't get feared .
Your dressing is shown ur attitude.
Give respect to the others don't forget these things.
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 Dec 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Duration 1Hr
2 coding questions

Round 2 - Technical 

(2 Questions)

  • Q1. Don't remember the questions
  • Q2. Don't remember the questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - easy interview. anyone can crack easily if you are clear with basic concepts.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Coding test has multiple choice questions based on basics of programming and 2 coding questions.

Round 2 - Technical 

(3 Questions)

  • Q1. What are the details of Object-Oriented Programming (OOP) concepts?
  • Ans. 

    OOP is a programming paradigm based on the concept of objects, which can contain data and code to manipulate that data.

    • OOP focuses on creating objects that interact with each other to solve problems.

    • Key concepts include classes, objects, inheritance, polymorphism, and encapsulation.

    • Classes are blueprints for creating objects, defining their properties and behaviors.

    • Inheritance allows new classes to be based on existing...

  • Answered by AI
  • Q2. DSA question to solve using any programming language ?
  • Q3. Some concepts of web development and binary tree related questions
Round 3 - HR 

(2 Questions)

  • Q1. What do you know about Digit insurance?
  • Ans. 

    Digit Insurance is a technology-driven insurance company offering a range of general insurance products.

    • Digit Insurance was founded in 2016 by Kamesh Goyal.

    • It is known for its innovative and customer-centric approach to insurance.

    • Digit offers various insurance products such as health insurance, motor insurance, travel insurance, and more.

    • The company leverages technology to simplify the insurance process and provide a s

  • Answered by AI
  • Q2. Where do you see yourself after 5 years ?
  • Ans. 

    In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.

    • Leading a team of developers on projects

    • Continuing to learn and grow in my technical skills

    • Contributing to the success and growth of the company

    • Possibly pursuing further education or certifications

    • Exploring opportunities for mentorship and leadership roles

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics concept of programming. Brush up coding skills and have good communication skills.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Oops concept and c# basic questions for freshers and sql basics
  • Q2. What is .net framework
  • Ans. 

    .NET Framework is a software framework developed by Microsoft that provides a runtime environment for building and running applications.

    • .NET Framework is a platform for developing and running applications on Windows.

    • It includes a large library of pre-built code and a runtime environment for executing applications.

    • It supports multiple programming languages such as C#, VB.NET, and F#.

    • It provides features like memory mana...

  • Answered by AI
  • Q3. Stored procesure insert update syntax
  • Q4. Oops questions inheritance constructors
  • Q5. Joins in sql and types
  • Ans. 

    Joins in SQL are used to combine rows from two or more tables based on a related column between them.

    • There are different types of joins in SQL: inner join, left join, right join, and full outer join.

    • Inner join returns only the matching rows from both tables.

    • Left join returns all the rows from the left table and the matching rows from the right table.

    • Right join returns all the rows from the right table and the matching ...

  • Answered by AI

Skills evaluated in this interview

RenewBuy Interview FAQs

How many rounds are there in RenewBuy Backend Developer interview?
RenewBuy interview process usually has 5 rounds. The most common rounds in the RenewBuy interview process are Technical, Resume Shortlist and Assignment.
How to prepare for RenewBuy Backend 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 RenewBuy. The most common topics and skills that interviewers at RenewBuy expect are Django, Python, Framework, Backend and Flask.
What are the top questions asked in RenewBuy Backend Developer interview?

Some of the top questions asked at the RenewBuy Backend Developer interview -

  1. This is a technical round where the interviewer asked questions from OOPs, data...read more
  2. This is same as the previous round but more questions were asked from Pyh...read more

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RenewBuy Backend Developer Salary
based on 6 salaries
₹4 L/yr - ₹6.5 L/yr
38% less than the average Backend Developer Salary in India
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