Gap Senior Software Engineer and Lead Interview Questions and Answers

Good and easy questions were asked

Q1. Tell me about yourself
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Q2. Technical questions
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Q1. Last projects undertaken during previous company
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Utilized React.js for front-end development

• Implemented RESTful APIs for communication between front-end and back-end

• Integrated authentication and authorization features for user security
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Q1. Java 8 related programming
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Q2. Data Structures
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Q1. Techno Managerial around
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Aptitude round was tougher and was for almost 2hrs.

There were two coding questions. One was tough and other was moderate.

Q1. This round was face to face from Bengaluru campus. The interview was for 45 mins and asked me oops related concepts, functional dependency related questions, operating system, and asked me to write logic f...read more
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Q1. What are garbage collection
Ans. 
Garbage collection is a process in programming where the system automatically reclaims memory occupied by objects that are no longer in use.
• Garbage collection helps prevent memory leaks by freeing up memory that is no longer needed.

• It is commonly used in languages like Java, C#, and Python.

• Garbage collection can be either automatic or manual, with automatic being the most common approach.

• Examples of garbage collection ...read more
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Q2. What is singleton
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Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections, logging, and thread pools.

• Implementation can involve a private constructor, a static method to access the instance, and a...read more
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Nice it contain logical reasoning

It was very easy to code leetcode easy

Very good interviewing experience in this

Q1. Why do you want to join H&M?
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Q2. What are your roles and responsibilities?
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Q1. Solutioning for a high performant event driver microservice.
Ans. 
To create a high performant event driver microservice, we need to focus on efficient event handling and scalability.
• Use asynchronous event-driven architecture

• Choose a lightweight and efficient framework like Node.js or Go

• Implement caching and load balancing techniques

• Optimize database queries and use NoSQL databases for faster data retrieval

• Use containerization and orchestration tools like Docker and Kubernetes for sca...read more
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Q1. Reason for leaving the current job
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Q2. Problem statement where in you have to use Azure/Azure functions to solve it.
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Q1. How did you solve a business problem with an innovative idea?
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Q2. What is that one factor which would make you choose H&M over any other company?
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