Gap Senior Software Engineer and Lead Interview Questions and Answers for Experienced

Good and easy questions were asked

Q1. Tell me about yourself
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Q2. Technical questions
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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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Q1. Spring Boot annotations related question
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Q2. Java 8 advantages
Ans. 
Java 8 introduced several new features and improvements, including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow for more concise and readable code.

• Functional interfaces enable the use of lambda expressions.

• Streams provide a way to work with collections in a more functional style.

• Default methods allow interfaces to have method implementations.
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Q1. Questions on microservices
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Q2. Types of HTTP methods, what is idempotency in rest api
Ans. 
HTTP methods include GET, POST, PUT, DELETE, PATCH. Idempotency in REST API means multiple identical requests have the same effect as a single request.
• HTTP methods: GET, POST, PUT, DELETE, PATCH

• Idempotency in REST API: Multiple identical requests have the same effect as a single request

• Example: GET and PUT are idempotent as they do not change the state of the server with multiple identical requests
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Q1. Last projects undertaken during previous company
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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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It was very easy to code leetcode easy

Very good interviewing experience in this

Nice it contain logical reasoning

Q1. Most of the questions are from Cloud. The different applications you have worked on the cloud, code quality. How you will secure your cloud application? How to set up cloud infra solutions for the produc...read more
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Q1. This was a bit technical come business interview. 1. How you will handle the business scenarios in your application? 2. Customer-centric questions. 3. How your application brings value to the customer. ...read more
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Q1. This is was country head and hr. Experience, Area of Interest, Salary discussion
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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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