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Q3 Technologies Interview Questions, Process, and Tips

Updated 30 Jan 2025

Top Q3 Technologies Interview Questions and Answers

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23 interviews found

I was interviewed before Jan 2016.

Interview Questionnaire 

23 Questions

  • Q1. Tell me something about yourself including technical journey so far
  • Ans. 

    I am a Senior Software Engineer with 8 years of experience in developing web applications using Java, Spring, and Angular.

    • 8 years of experience in software development

    • Proficient in Java, Spring, and Angular

    • Worked on developing web applications

  • Answered by AI
  • Q2. What is the page life cycle of ASP.Net?
  • Ans. 

    The page life cycle of ASP.Net is a series of events that occur when a web page is requested and processed by the server.

    • The page life cycle consists of several stages such as initialization, loading, postback handling, rendering, and unloading.

    • During the initialization stage, the page and its controls are created and their properties are set.

    • In the loading stage, the page retrieves and processes the user input and upd...

  • Answered by AI
  • Q3. What are the core components of .Net Framework ?
  • Ans. 

    The core components of .Net Framework include Common Language Runtime (CLR), Framework Class Library (FCL), and ASP.NET.

    • Common Language Runtime (CLR) provides the runtime environment for executing .NET applications.

    • Framework Class Library (FCL) is a collection of reusable classes, interfaces, and value types that provide access to system functionality.

    • ASP.NET is a web application framework for building dynamic web page

  • Answered by AI
  • Q4. Can you brief about GC and the life cycle?
  • Ans. 

    GC stands for Garbage Collection. It is an automatic memory management process in programming languages.

    • GC is responsible for reclaiming memory that is no longer in use by the program.

    • It identifies and frees up memory occupied by objects that are no longer reachable.

    • GC has different algorithms like Mark and Sweep, Copying, and Generational.

    • The life cycle of an object involves creation, usage, and eventual garbage colle...

  • Answered by AI
  • Q5. Can you write a program to show the percentage of completion while file is uploading to server?
  • Ans. 

    Yes

    • Use AJAX or WebSocket to send file data to the server

    • Track the progress of the file upload using the 'progress' event

    • Calculate the percentage of completion based on the total file size and the amount uploaded

  • Answered by AI
  • Q6. What is the major difference between Array and ArrayList?
  • Ans. 

    Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.

    • Array has a fixed length, while ArrayList can dynamically resize.

    • Array can store both primitive and object types, while ArrayList can only store object types.

    • Array uses square brackets [] for declaration, while ArrayList uses angle brackets <>.

    • Array is more memory efficient than ArrayList.

    • Array provides direct access to elemen...

  • Answered by AI
  • Q7. When should i use Generics and benefits of using .Net Generic classes?
  • Ans. 

    Generics should be used when you want to create reusable code that can work with different types.

    • Generics allow you to write code that can work with different types without sacrificing type safety.

    • They provide compile-time type checking, reducing the chances of runtime errors.

    • Generics promote code reusability and maintainability by allowing you to write generic algorithms and data structures.

    • Using generic classes in .N...

  • Answered by AI
  • Q8. What is difference between Abstract and Interface, give me some example of your project in which you have used Abstract class and Interface.
  • Ans. 

    Abstract class and Interface are both used for abstraction, but with some differences.

    • Abstract class can have both abstract and non-abstract methods, while Interface can only have abstract methods.

    • A class can implement multiple interfaces, but can only inherit from one abstract class.

    • Abstract class can have instance variables, while Interface cannot.

    • Abstract class provides partial implementation, while Interface provid...

  • Answered by AI
  • Q9. What is SOLID?
  • Ans. 

    SOLID is a set of principles for designing software that is easy to maintain, understand, and extend.

    • S - Single Responsibility Principle: A class should have only one reason to change.

    • O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

    • L - Liskov Substitution Principle: Subtypes must be substitutable for their base types.

    • I - Interface Segregation Principle: Clients shou...

  • Answered by AI
  • Q10. Which design pattern you have used, take some name and give me example from your current project.
  • Ans. 

    I have used the Observer design pattern in my current project.

    • Observer pattern is used to establish a one-to-many dependency between objects.

    • It allows multiple objects to be notified and updated automatically when a subject object changes its state.

    • In my project, we implemented the Observer pattern to notify various components of the system about changes in data.

    • For example, when a user updates their profile informatio...

  • Answered by AI
  • Q11. Write down logic of Singleton class, Why should i use it if we have Static class?
  • Ans. 

    Singleton class ensures only one instance is created, while static class allows multiple instances.

    • Singleton class restricts instantiation of a class to a single object.

    • It provides a global point of access to the instance.

    • It is useful when only one instance of a class is required throughout the system.

    • Singletons can be lazy-loaded or eagerly-loaded.

    • Static classes allow multiple instances and are not suitable for mainta...

  • Answered by AI
  • Q12. Have you ever worked on Entity framework, which version you have used?
  • Ans. 

    Yes, I have worked on Entity Framework.

    • I have used Entity Framework version 6.0 in my previous project.

    • I have experience in designing and implementing database models using Entity Framework.

    • I have used LINQ to query and manipulate data in Entity Framework.

    • I have also worked with migrations and code-first approach in Entity Framework.

  • Answered by AI
  • Q13. What is the use of creating T4 templates?
  • Ans. 

    T4 templates are used to generate code or text files based on a template and input data.

    • T4 templates automate repetitive code generation tasks.

    • They can be used to generate code for data access layers, service layers, or UI components.

    • T4 templates can also be used to generate configuration files or documentation.

    • They provide a way to separate the logic from the generated output.

    • T4 templates support customizing the gener...

  • Answered by AI
  • Q14. What if, i need to make some changes into the POCO class to extend the entity to add some extra properties?
  • Ans. 

    Modifying the POCO class allows extending the entity with additional properties.

    • To add extra properties, simply modify the POCO class by adding new properties.

    • Ensure that the changes are reflected in the database schema if necessary.

    • Update any existing code that interacts with the POCO class to handle the new properties.

    • Consider the impact on serialization, validation, and any other relevant aspects.

  • Answered by AI
  • Q15. Basic introduction round.
  • Q16. What is the notice period?
  • Ans. 

    Notice period refers to the amount of time an employee must give before leaving a job.

    • Notice period is typically stated in the employment contract or company policy.

    • It can range from 2 weeks to 3 months depending on the company and position.

    • During the notice period, the employee is expected to fulfill their job responsibilities.

    • Some companies may allow employees to buy out their notice period by paying a fee.

  • Answered by AI
  • Q17. Your CTC and ECTC?
  • Q18. Tell me something about your project.
  • Ans. 

    Developed a web-based project management tool for tracking tasks and deadlines.

    • Used React for front-end development

    • Implemented RESTful APIs using Node.js and Express

    • Utilized MongoDB for database storage

    • Incorporated authentication and authorization features for user security

  • Answered by AI
  • Q19. What is your role and responsibilities in your current project?
  • Ans. 

    I am responsible for designing, developing, and maintaining software solutions for our project.

    • Designing software architecture and solutions

    • Developing code and implementing features

    • Maintaining and debugging existing codebase

    • Collaborating with team members and stakeholders

    • Participating in code reviews and testing

  • Answered by AI
  • Q20. Can you please draw the hierarchy of your team and your into that hierarchy?
  • Ans. 

    I lead a team of software engineers with a clear hierarchy and responsibilities.

    • I am the Senior Software Engineer leading the team

    • Directly reporting to me are the Software Engineers

    • Below them are the Junior Software Engineers and Interns

    • Each member has specific roles and responsibilities within the team

  • Answered by AI
  • Q21. How frequently you get happy and worry? Tell me some incident of your current project.
  • Ans. 

    I frequently feel happy when achieving project milestones and worry when facing technical challenges.

    • Happy: When successfully implementing a new feature or fixing a critical bug

    • Worry: When encountering difficult technical issues or tight project deadlines

  • Answered by AI
  • Q22. How do you behave in a situation when you got to know your code has been overwritten by one of your team member by mistaken? Tell me if you have any back-up plan.
  • Ans. 

    I would calmly communicate with the team member to understand the situation and work together to resolve the issue.

    • Communicate with the team member to understand what happened

    • Work together to identify the changes made and assess the impact

    • Restore the code from a backup if available

    • Implement version control practices to prevent similar incidents in the future

  • Answered by AI
  • Q23. There are two things in which you have to prioritized between coding standard and delivery of project , Which will be the priority for you when the deadline is very tight?

Interview Preparation Tips

Round: Technical Interview
Experience: You need to be very clear with your project, project architecture and programming skills. You must be prepare in OOPS while going for interview in Q3.
Tips: Key point to impress interviewer is to crack the logical questions and through in OOPS.

Skills: Logical Reasoning, Object Oriented Programming, Behavioural Skills

Skills evaluated in this interview

Top Q3 Technologies Senior Software Engineer Interview Questions and Answers

Q1. What is difference between Abstract and Interface, give me some example of your project in which you have used Abstract class and Interface.
View answer (2)

Senior Software Engineer Interview Questions asked at other Companies

Q1. Tell me about yourself. What technology are you using? What is a Collection? What are the different types of collection there? What is the difference between ArrayList and LinkedList What are the basic building blocks of Stream operators, s... read more
View answer (2)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Tell me something about yourself
  • Ans. 

    I am a seasoned software engineer with over 10 years of experience in leading development teams and delivering high-quality software solutions.

    • Over 10 years of experience in software development

    • Strong leadership skills in leading development teams

    • Proven track record of delivering high-quality software solutions

    • Proficient in various programming languages such as Java, Python, and JavaScript

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Explain the OOPs concept
  • Ans. 

    OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

    • OOPs focuses on creating objects that interact with each other to solve complex problems

    • Key principles include encapsulation, inheritance, polymorphism, and abstraction

    • Encapsulation allows data hiding and protects data within objects

    • Inheritance enables the creation of new classes based on existi...

  • Answered by AI

Senior Software Engineer and Lead Interview Questions asked at other Companies

Q1. Explain importance of microservices and what are the realtime use cases from your experience
View answer (1)
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - One-on-one 

(1 Question)

  • Q1. Mr Owaise Masood asked me full form of PCI DSS and WCAG. I didn't think these are related to a developer in any aspect and he shared the feedback that I don't know about comliances. My question to everyone...

Interview Preparation Tips

Interview preparation tips for other job seekers - I received feedback suggesting that my knowledge of compliance requirements is lacking, but I believe this isn't directly related to a developer role. I am curious why understanding regulatory bodies is considered essential for this position. if someone is unfamiliar with them, I don't think it should be a reason for rejection, as it doesn't necessarily reflect their technical skills.

Senior IOS Developer Interview Questions asked at other Companies

Q1. What are the differences between the MVC and MVVM architectural patterns, and in what scenarios should each be used?
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Tell difference between BRD, FRD and user stories.
  • Ans. 

    BRD defines what needs to be done, FRD details how it will be done, user stories describe specific user interactions.

    • BRD (Business Requirements Document) outlines high-level business objectives and goals.

    • FRD (Functional Requirements Document) details specific functionalities and features to achieve the objectives outlined in the BRD.

    • User stories are short, simple descriptions of a feature told from the perspective of t...

  • Answered by AI
  • Q2. Why you left your previous organisation

Business Analyst Interview Questions asked at other Companies

Q1. You have 10 boxes of balls (each ball weighing exactly10 gm) with one box with defective balls (each one of the defective balls weigh 9 gm). You are given an electronic weighing machine and only one chance at it. How will you find out which... read more
View answer (9)

Q3 Technologies interview questions for popular designations

 Software Engineer

 (5)

 Software Developer

 (2)

 Business Analyst

 (2)

 Junior Software Engineer

 (1)

 Senior Software Engineer

 (1)

 Intern

 (1)

 SQL Developer

 (1)

 Android Developer

 (1)

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Best practices about ble integration
  • Ans. 

    Best practices for BLE integration include proper error handling, optimizing power consumption, using background services, and implementing security measures.

    • Implement proper error handling to gracefully handle connection issues and other errors.

    • Optimize power consumption by minimizing data transfer and using low-power modes when possible.

    • Use background services to ensure BLE functionality continues even when the app i...

  • Answered by AI
  • Q2. Solid principals

Senior Android Developer Interview Questions asked at other Companies

Q1. Binary Array Sorting Problem Statement You are provided with a binary array, i.e., an array containing only 0s and 1s. Your task is to sort this binary array and return it after sorting. Input: The first line contains an integer ‘T’ denoti... read more
View answer (1)

Get interview-ready with Top Q3 Technologies Interview Questions

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

It was a basic aptitude test.

Round 2 - Group Discussion 

A 20-minute group discussion.

Round 3 - Technical 

(1 Question)

  • Q1. Basic dsa questions

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)

Software Engineer Interview Questions & Answers

user image Sakshi Goyal

posted on 19 Nov 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Revise your Python basics

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (199)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is stored procedure
  • Ans. 

    A stored procedure is a set of SQL statements that can be saved and reused in a database.

    • Stored procedures can accept input parameters and return output parameters.

    • They can be used to perform complex operations, improve performance, and enhance security.

    • Examples: sp_GetCustomerDetails, sp_InsertEmployee

  • Answered by AI

SQL Developer Interview Questions asked at other Companies

Q1. How is a change request in application serviced by development team (business analysis, code analysis, discussion with BA, requirment freeze, etc.)
View answer (4)

UI UX Developer Interview Questions & Answers

user image shivani sharma

posted on 31 Jan 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in Dec 2023. There were 3 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Introduction round
Round 2 - Technical 

(1 Question)

  • Q1. The interviewer asked the technical questions and I answered all the questions they selected me for the next round and assigned the task.
Round 3 - Coding Test 

They gave me the design dashboard design in Figma and then converted that into Coding by using HTML, CSS, and Javascript. I have done that and sent that by mail.
I waited 2-3 days to send the reminder mail for the update but didn't get any response I even called HR, and she said will give you update on Monday it's Wednesday but still I didn't get any response from them.

Interview Preparation Tips

Interview preparation tips for other job seekers - If want to know anyone's skills you can judge by technical round and if you want to see the coding skills you can give the task at the time of the interview no need to assign the task, but if want to assign the task to someone you should have to do the response.

UI UX Developer Interview Questions asked at other Companies

Q1. Which are the familiar software tools and what do you use it for?
View answer (1)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jul 2024.

Round 1 - Assignment 

A coding dashboard that includes a database table with pagination on the home page.

Flutter Developer Interview Questions asked at other Companies

Q1. Write the code on paper how to intigrate the api in your flutter app?
View answer (2)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Profile screening
Round 2 - Technical 

(1 Question)

  • Q1. Core java and Android related question
Round 3 - Behavioral 

(1 Question)

  • Q1. Discuss related to project while leave job and experience

Android Developer Interview Questions asked at other Companies

Q1. BST Iterator Problem Statement You are tasked with creating a class named BSTIterator that acts as an iterator for the inorder traversal of a binary search tree. Implement the following functions: BSTIterator(Node root): A constructor that... read more
View answer (1)

Q3 Technologies Interview FAQs

How many rounds are there in Q3 Technologies interview?
Q3 Technologies interview process usually has 2-3 rounds. The most common rounds in the Q3 Technologies interview process are Technical, Resume Shortlist and One-on-one Round.
How to prepare for Q3 Technologies 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 Q3 Technologies. The most common topics and skills that interviewers at Q3 Technologies expect are Computer science, Javascript, HTML, JQuery and Ajax.
What are the top questions asked in Q3 Technologies interview?

Some of the top questions asked at the Q3 Technologies interview -

  1. What is difference between Abstract and Interface, give me some example of your...read more
  2. What if, i need to make some changes into the POCO class to extend the entity t...read more
  3. Can you write a program to show the percentage of completion while file is uplo...read more
How long is the Q3 Technologies interview process?

The duration of Q3 Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.

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Q3 Technologies Interview Process

based on 21 interviews

Interview experience

4
  
Good
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Q3 Technologies Reviews and Ratings

based on 159 reviews

3.6/5

Rating in categories

3.4

Skill development

3.6

Work-life balance

3.4

Salary

3.5

Job security

3.3

Company culture

3.2

Promotions

3.4

Work satisfaction

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