Financial Software & Systems Senior Software Engineer Interview Questions and Answers

Q1. What is dependency injection?
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing a way to mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q2. Brief description about your current project architecture.
Ans. 
Our current project architecture follows a microservices design pattern with Docker containers for scalability and flexibility.
• Microservices architecture

• Docker containers for scalability

• RESTful APIs for communication

• Kubernetes for orchestration
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1 hour Time and Distance , Percentage, odd man out , Area, Problem on Ages.

Q1. Tell me about your self , projects why are you leaving old organization
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Q2. Oops concepts , what is Garbage collection
Ans. 
Garbage collection is an automatic memory management process in which the system frees up memory occupied by objects that are no longer in use.
• Garbage collection is a feature of many programming languages, including Java and C#.

• It helps prevent memory leaks and reduces the burden of manual memory management.

• The garbage collector identifies and releases memory that is no longer referenced by any active objects.

• It works ...read more
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Q3. What is Variable
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A variable is a named storage location in a computer's memory that can hold a value.
• Variables are used to store and manipulate data in a program.

• They have a name, a type, and a value.

• The value of a variable can be changed during program execution.

• Variables can be used to perform calculations, store user input, or hold intermediate results.

• Examples: int age = 25; float temperature = 98.6; string name = 'John';
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Q1. Tell me about Yourself
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Q2. How soon you can join
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Q1. Mvc architecture
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Q1. Sql server related queries
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Q1. Basic introduction and carrier details
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Q1. SQL Scripting hand written ,java application related questions
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Q1. HR salary discussion
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Q1. Discuss 4 case study related to supply chain management.
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Q1. Tell me something about your self?
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Q2. What is java ?
Ans. 
Java is a high-level programming language known for its portability, security, and object-oriented features.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

• It is object-oriented, allowing for modular and reusable code.

• Java is known for its strong security features, such as sandboxing and encryption.

• It is widely used for developing web applications, mobile apps, and enter...read more
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Q1. How did you deliver your code?
Ans. 
I delivered my code through version control systems like Git, following best practices for code review and testing.
• Used Git for version control to track changes and collaborate with team members

• Followed best practices for code review to ensure quality and consistency

• Implemented automated testing to catch bugs early and ensure code reliability
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Q2. What is your team size?
Ans. 
The team size is 10 members.
• The team consists of 2 senior engineers, 4 mid-level engineers, and 4 junior engineers.

• We follow an agile methodology with cross-functional teams.

• Regular team meetings and stand-ups ensure effective communication and collaboration.
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