Ksolves India Limited Python and Django Developer Interview Questions and Answers

Q1. General HR questions also a little bit about my experience
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Q1. .net general questions like ref vs out, interface vs abstract class
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Q1. Can you provide your introduction?
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I'm a passionate software developer with expertise in full-stack development and a keen interest in innovative technologies.
• Education: Bachelor's degree in Computer Science from XYZ University.

• Experience: 3 years of experience in developing web applications using React and Node.js.

• Projects: Developed an e-commerce platform that increased sales by 30% within the first quarter.

• Skills: Proficient in JavaScript, Python, an...read more
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Q2. Can you tell me about yourself?
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Q1. Tell me about yourself
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I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Test English level
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Q1. Explain OOP concepts
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OOP stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOP focuses on creating objects that contain data and methods to manipulate that data.

• Encapsulation: Objects hide their internal state and require interaction through defined interfaces.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Objects can take on different forms or have mult...read more
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Q2. Questions related to previous experience
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Q1. Tell us about your experience.
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Q2. In english, give me a feedback you received lately.
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Q1. Brief explanation of SOLID principles
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Q2. Ref vs out arguments
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ref and out are C# keywords for passing arguments by reference, allowing methods to modify the original data.
• ref requires the variable to be initialized before being passed. Example: 'int x = 10; SomeMethod(ref x);'

• out does not require initialization before being passed. Example: 'int y; SomeMethod(out y);'

• Both allow methods to modify the original variable, but ref is for existing data, while out is for returning new d...read more
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Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
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Node.js is single-threaded but uses an event-driven model for concurrency, allowing multiple operations to run simultaneously.
• Node.js uses an event loop to handle asynchronous operations, allowing it to manage multiple tasks without blocking.

• I/O operations (like reading files or querying databases) are non-blocking, enabling other code to run while waiting for these tasks to complete.

• Callbacks, Promises, and async/awai...read more
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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Q1. What are the design patterns in c#
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Design patterns in C# are reusable solutions to common problems in software design.
• Some common design patterns in C# include Singleton, Factory, Observer, and Strategy.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency betwee...read more
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Basic aptitude questions, not too difficult

Q1. Java, coding, string, numbers
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Q1. This was a bit difficult than previous, more coding questions
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