Coding Ninjas Full Stack Developer Interview Questions and Answers

Explain about DSA and its example in realtime.

Q1. Java Loop structure
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Q2. While Loop cycle
Ans. 
A while loop is a control flow statement that allows code to be executed repeatedly based on a given condition.
• While loop continues to execute a block of code as long as the specified condition is true

• The condition is evaluated before each iteration of the loop

• Example: while (x < 5) { // code to be executed }
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Pizza restaurant website

Q1. Javascript related questions
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Q2. React fundamentals and redux and saga function
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Q1. Round with CEO for culture fit
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Q1. What is OOPS concepts.
Ans. 
OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
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Q2. What is PDO and uses in PHP.
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PDO stands for PHP Data Objects, a database access layer providing a uniform method of access to multiple databases.
• PDO is a PHP extension that provides a data-access abstraction layer.

• It supports multiple database systems like MySQL, PostgreSQL, SQLite, etc.

• PDO helps prevent SQL injection attacks by using prepared statements.

• It allows for error handling and supports transactions.

• Example: $pdo = new PDO('mysql:host=loc...read more
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Basic Aptitude test

Coding Round is little tough.

Q1. Formal conversation about the projects and all that kind of stuff
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Q2. What kind of project you have worked on
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Q3. How you tackles different project
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2 coding questions with aptitude question(logical aptitude and quantitative aptitude)

This was a Machine Coding. We need to design a system and then they will check our design by running test cases. It was 2.5 hrs long.

Q1. Basic questions on computer core subjects(Deadlock, Networking, Tcp connection, process scheduling etc, DNS Lookup etc)
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Q2. Questions on React, Node and the libraries which I used in my project(My project was a full stack project)
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Aptitude test is easy.

Really tuff

Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and opportunities offered by the position.
• I am flexible and willing to negotiate based on the overall compensation package.

• I am more interested in the growth potential and learning opportunities than a specific salary number.

• I would like to be compensated fairly for my skills and experience in the industry.

• I am open to discussing salary range during the inter
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Q2. What is your family background?
Ans. 
My family background is diverse and includes individuals from various professions and cultural backgrounds.
• My father is a doctor and my mother is a teacher.

• I have two siblings, one is an engineer and the other is a lawyer.

• We have relatives who are artists, entrepreneurs, and scientists.

• Our family gatherings are always filled with interesting conversations and different perspectives.
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Q3. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
• Leading a team of developers

• Working on complex projects

• Continuously learning and improving my skills

• Contributing to the growth and success of the company
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Q4. Why should we hire you?
Ans. 
I have a strong technical background and a passion for software development.
• I have a solid understanding of programming languages and software development principles.

• I have experience working on various software projects, including [example project].

• I am a quick learner and adapt easily to new technologies and frameworks.

• I am a team player and have excellent communication skills, which are essential for collaborating w...read more
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