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Qbit Labs R&D Engineer Interview Questions and Answers

Updated 5 Feb 2025

Qbit Labs R&D Engineer Interview Experiences

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R&D Engineer Interview Questions & Answers

user image Anonymous

posted on 5 Feb 2025

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

I appeared for an interview in Aug 2024.

Round 1 - HR 

(1 Question)

  • Q1. Personality based Questions
Round 2 - Technical 

(1 Question)

  • Q1. OOPS conceptual questions along with implementation.
Round 3 - Technical 

(1 Question)

  • Q1. DSA questions - Leetcode medium to hard

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Round 2 - Technical 

(3 Questions)

  • Q1. Explain OOPs w.r.t Java
  • Ans. 

    OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.

    • OOPs stands for Object-Oriented Programming System

    • Java is a class-based OOPs language

    • Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

    • Objects have state and behavior

    • Java supports interfaces, which allow for multiple inheritance

    • Example: A car can be represented as an object wit...

  • Answered by AI
  • Q2. Explain about the projects that you have worked on
  • Q3. Explain how Java solves machine dependency of code execution
  • Ans. 

    Java solves machine dependency by using bytecode and virtual machine.

    • Java code is compiled into bytecode which is platform-independent

    • The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

    • JVM translates bytecode into machine code for the specific platform

    • This allows Java code to run on any platform with a JVM installed

    • Example: A Java program compiled on Windows can run on Linux or Mac as

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Why should we hire you?
  • Q2. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for Infosys System Engineer interview:
  • Java
Interview preparation tips for other job seekers - Keep it simple, Prepare basics of 1st preferred Programming Language.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Numerical ability and logical reasoning followed by some coding mcqs

Round 2 - Technical 

(1 Question)

  • Q1. Print 1 to 100 without for loop
  • Ans. 

    Printing 1 to 100 without for loop

    • Use recursion to print numbers from 1 to 99

    • Print 100 outside the recursion

    • Use a base case to stop recursion at 100

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare from interview bit and practice mcqs

I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Simple aptitude test

Round 2 - One-on-one 

(1 Question)

  • Q1. General questions as per your cv

Interview Preparation Tips

Topics to prepare for Infosys System Engineer interview:
  • Aptitude
Interview preparation tips for other job seekers - Great company for freshers.. lot to learn and experience

I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was a basic aptitude test.

Round 2 - One-on-one 

(1 Question)

  • Q1. Interview was fine. Mostly asked about my final year project.

Interview Preparation Tips

Interview preparation tips for other job seekers - Attend the interview with cool head. All the best.

I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

English is the main focussed part

Round 2 - One-on-one 

(1 Question)

  • Q1. Basic introduction and project based questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus more on English. Interview will be cake walk.

System Engineer Interview Questions & Answers

TCS user image Arham Khokhar

posted on 24 Apr 2022

I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

It's totally based on Basic understanding of concepts such as Linear arrangement, circular arrangement، blood relation, direction sense, ratio proportion, time, speed, distance

Round 2 - Technical 

(3 Questions)

  • Q1. It's based on OOPS Concepts,
  • Q2. Strength and weaknesses
  • Q3. About yourself, about educational background, why should we hire you

Interview Preparation Tips

Interview preparation tips for other job seekers - Show your confidence ✨️ you will be selected with ease

I applied via Campus Placement and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

The test consist verbal, logical and quantitative sections and you need to score 50% more in all three.

Round 2 - Technical 

(1 Question)

  • Q1. They ask you everything written on your resume and some basics of DBMS, data structures

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm, be yourself, and be honest while answering

I applied via Walk-in and was interviewed before Jul 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. .net questions - routing in asp.net MVC ?

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing . Prepare well for interview on .Net technology stack

I appeared for an interview before Feb 2021.

Round 1 - Aptitude Test 

Time - 60mins

Round 2 - Coding Test 

Time- 30mins

Interview Preparation Tips

Interview preparation tips for other job seekers - Was easy to crack, Coding round was good

Qbit Labs Interview FAQs

How many rounds are there in Qbit Labs R&D Engineer interview?
Qbit Labs interview process usually has 3 rounds. The most common rounds in the Qbit Labs interview process are Technical and HR.
What are the top questions asked in Qbit Labs R&D Engineer interview?

Some of the top questions asked at the Qbit Labs R&D Engineer interview -

  1. OOPS conceptual questions along with implementati...read more
  2. DSA questions - Leetcode medium to h...read more
  3. Personality based Questi...read more

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Qbit Labs R&D Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
View more

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Qbit Labs R&D Engineer Salary
based on 12 salaries
₹8 L/yr - ₹11.7 L/yr
At par with the average R&D Engineer Salary in India
View more details

Qbit Labs R&D Engineer Reviews and Ratings

based on 3 reviews

1.0/5

Rating in categories

2.2

Skill development

1.0

Work-life balance

1.0

Salary

1.0

Job security

1.0

Company culture

1.0

Promotions

1.0

Work satisfaction

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