CGI Group Software Engineer Interview Questions and Answers for Experienced

Yes, I am open to relocating to Bangalore for this opportunity, as it aligns with my career goals and personal growth.

• Bangalore is a major tech hub, offering numerous opportunities for networking and professional development.

• Relocating would allow me to work closely with industry leaders and innovative companies.

• I have researched the cost of living and found it manageable, making the move feasible.

• I am excited abo...read more

Spring beans can have different scopes like singleton, prototype, request, session, and application.

• Singleton scope: Bean is created only once per Spring IoC container

• Prototype scope: Bean is created each time it is requested

• Request scope: Bean is created once per HTTP request

• Session scope: Bean is created once per HTTP session

• Application scope: Bean is created once per ServletContext

To improve performance of a Spring Boot application, consider optimizing database queries, caching, using asynchronous processing, and monitoring performance metrics.

• Optimize database queries by using indexes, avoiding N+1 queries, and limiting the amount of data fetched.

• Implement caching to store frequently accessed data in memory, reducing the need to fetch data from the database repeatedly.

• Use asynchronous proc...read more

Implemented logging in Spring Boot application using SLF4J and Logback

• Added dependencies for SLF4J and Logback in pom.xml

• Configured logback.xml for logging levels and appenders

• Injected Logger instances using @Autowired annotation in classes

• Used logger.debug(), logger.info(), logger.error() methods for logging

Marker interfaces are used to indicate a specific property or behavior of a class without defining any methods.

• Marker interfaces do not contain any methods or fields.

• They are used to provide metadata about a class.

• Common examples include Serializable and Cloneable in Java.

• They help in implementing design patterns like Singleton.

A callback is a function passed as an argument to another function, executed after a certain event or condition is met.

• Callbacks are commonly used in asynchronous programming to handle operations like API requests.

• Example: In JavaScript, you can pass a function to setTimeout, which will be called after a specified delay.

• Callbacks help in managing code execution order, especially in event-driven environments.

• Exampl...read more