Accenture 3 Years Interview Experience | Java Spring Boot

Summary

In this interview, a software developer discusses their educational background in Computer Science and experience with Java applications, specifically using Spring Boot. They detail recent projects, including building RESTful APIs for a B2B portal for T-Mobile. The developer highlights the advantages of Spring Boot's auto-configuration and dependency injection, as well as techniques for securing APIs and handling exceptions. They also touch on performance improvement strategies, such as using Redis and asynchronous processing. The session concludes with a coding challenge, showcasing their problem-solving skills in Java.

Takeaways

• 🎓 The candidate graduated in Computer Science and Engineering in 2020 from Kid Group of Institutions, Ghaziabad.
• 💻 They have over three years of experience as a software developer, specializing in Java-based applications with a strong focus on Spring Boot.
• 🔧 Preferred development tools include IntelliJ IDEA, GitLab for version control, and Maven for dependency management.
• 📈 Recent project involved working with T-Mobile on a B2B portal that connects organizations and provides services to employees.
• 🌟 Major contributions to the T-Mobile project included developing RESTful APIs and enhancing application scalability.
• 🚀 Key advantages of using Spring Boot include auto-configuration, embedded server support, and reduced boilerplate code.
• 🔌 Dependency Injection is a core feature in Spring, promoting modularity and testability in code.
• ⚠️ The candidate handles exceptions in Spring Boot applications using @ControllerAdvice and @ExceptionHandler for global error management.
• 🔒 For securing REST endpoints, the candidate uses JWT for authentication, supported by Spring Security.
• ⚡ Performance improvements were achieved using Redis caching and asynchronous processing with the @Async annotation.

Q & A

What is the candidate's educational background?

The candidate graduated in Computer Science and Engineering from the Kid Group of Institutions in Ghaziabad in 2020.

What is the candidate's current job role?

The candidate is currently working as a Software Developer with a strong focus on Java-based applications.

Which technologies has the candidate been using for the past three years?

The candidate has been using Spring Boot for the past three years, focusing on building microservices, REST APIs, and data-driven applications.

Can you describe a recent project the candidate worked on?

The candidate recently worked with T-Mobile on a B2B portal project where they developed RESTful APIs and contributed to increasing the application's scalability.

What are the key advantages of using Spring Boot over traditional Spring applications?

Spring Boot offers advantages such as autoconfiguration, embedded server support (like Tomcat), and reduced boilerplate code, which simplifies the application setup.

How does the candidate handle exceptions in Spring Boot applications?

The candidate uses `@ControllerAdvice` and `@ExceptionHandler` annotations to handle exceptions globally, which allows for centralized error management.

What strategies does the candidate use to secure REST endpoints?

The candidate uses JWT (JSON Web Tokens) for authentication and leverages Spring Security to implement security configurations.

What performance improvement techniques has the candidate employed?

The candidate has used Redis caching to reduce database load and implemented asynchronous processing to handle API calls more efficiently.

What is the candidate's approach to managing circular dependencies in Spring?

The candidate mentioned that setter injection can be used to resolve circular dependencies between classes.

What coding problem did the candidate solve during the interview?

The candidate successfully wrote a Java code snippet to swap two numbers without using a temporary variable.