FIS Software Engineer Interview Questions and Answers

Q1. Java concepts and java 8 related coding question
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Q1. Java 8 features
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Q1. Basic HR discussions
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Q1. What are the first concepts of Object-Oriented Programming (OOP), the SOLID principles, and their implementation? Additionally, can you explain two design patterns theoretically and describe how you have u...read more
Ans. 
Understanding OOP concepts, SOLID principles, design patterns, and C# features for software engineering.
• OOP concepts include encapsulation, inheritance, polymorphism, and abstraction.

• SOLID principles consist of Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion.

• Design patterns like Singleton and Factory Method are commonly used in software development.

• In real-world ...read more
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Q2. MVC architecture in dot net. asp.net core architecture and how it is different from plain dot net. Kestrel web server.
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MVC architecture in ASP.NET Core is a design pattern that separates an application into three main components: Model, View, and Controller.
• MVC architecture in ASP.NET Core helps in organizing code and improving maintainability.

• ASP.NET Core is a cross-platform, high-performance framework for building modern, cloud-based, Internet-connected applications.

• Kestrel is a cross-platform web server for ASP.NET Core that is ligh...read more
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Q3. What are the ways to enhance performance for web applications.
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Ways to enhance performance for web applications include optimizing code, using caching mechanisms, minimizing HTTP requests, and utilizing content delivery networks.
• Optimize code by removing unnecessary code, using efficient algorithms, and minimizing database queries.

• Implement caching mechanisms such as browser caching, server-side caching, and database caching to reduce load times.

• Minimize HTTP requests by combining...read more
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Q4. 2 Programming questions/logical questions to get output in least number of loops.
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Q5. Angular Basic questions Like 1. Ways to bind data in ang 2. ways to send and receive data from parent to child and child to parent 3. What are the decorators, directives , components ,pipes, filters
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Q6. There were 2 persons asking me the questions. Their last question was about SQL. I have explained them that I worked in Crystal Reports, Custom Reports, SSRS Reports , they asked 2 Codd's Rule.
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Q1. They had inquiries regarding my tenure at previous organizations and my family background?
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Hackerrank test for coding

Q1. Java 8 basics like streams, optional
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Q2. Microservices architecture based questions
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Q1. .net framework, oops, error handling
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Q2. Explain above concepts in detail
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The candidate is asked to explain certain concepts in detail related to software engineering.
• Explain the concepts thoroughly with examples

• Provide a clear and concise explanation of each concept

• Demonstrate understanding of the concepts through practical examples
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Q1. Reason to change and salary expectations
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Q2. Better career opportunities
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First round was online assessment which has MCQ questions covering Core Java, Spring, SQL and REST API

Q1. First was Techinal and mainly focused on core java, spring, RESTful Webservices.
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Q2. Few coding problems on Java 8 Streams
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Q1. This round is mainly focused on previous projects and roles and responsibilities. Also few questions asked on how deployments were taken care (also project specific, not technical).
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Q2. Explained above
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Basic aptitude and technology

Q1. Details about current project
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Q2. Details about technical concepts
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