MyWays Backend Developer Interview Questions and Answers

Q1. Nodejs promises async await difference
Ans. 
Node.js promises are a way to handle asynchronous operations, while async/await is a syntax for writing asynchronous code in a synchronous manner.
• Promises are objects that represent the eventual completion (or failure) of an asynchronous operation.

• Async/await is a syntactic sugar built on top of promises, making asynchronous code look more like synchronous code.

• Async functions return a promise, which allows you to use ...read more
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Q2. Nodejs architecture eventloop
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Q1. Lifestyle of software development
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Software development lifestyle involves continuous learning, problem-solving, collaboration, and adapting to new technologies.
• Continuous learning is essential to stay updated with new technologies and best practices.

• Problem-solving skills are crucial for debugging and finding efficient solutions to complex problems.

• Collaboration with team members helps in sharing knowledge, brainstorming ideas, and improving code quali...read more
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Q2. Real time example of class inheritance
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Class inheritance allows a subclass to inherit properties and methods from a superclass.
• Subclass can access all public and protected members of superclass.

• Subclass can override methods of superclass.

• Example: Animal class can be superclass, with Dog and Cat classes as subclasses inheriting properties and methods.
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Q3. Agile methodologies and waterfall methodology
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Q1. Introduce yourself
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I am a passionate Backend Developer with 5 years of experience in building scalable and efficient web applications.
• 5 years of experience in backend development

• Proficient in programming languages like Java, Python, and Node.js

• Strong understanding of database management systems such as MySQL and MongoDB

• Experience in developing RESTful APIs and microservices

• Familiar with cloud technologies like AWS and Azure
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Q2. Some python programs
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Q1. React questions
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Q2. Nodejs questions
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Q1. Find pairs from list whose is equals to target
Ans. 
Find pairs from list whose sum is equal to target
• Iterate through the list and for each element, check if the target minus the element exists in a hashmap

• If it exists, add the pair to the result list

• If it doesn't exist, add the current element to the hashmap
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Q2. Multiple iNheritance
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Q1. They asked Oops concepts
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Q2. They asked exception handling
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Aptitude Test based on general

Coding Test Based on backend technologies