Hello everyone! Today, I’d like to share my experience interviewing for a Java Developer position at Capgemini with 4 years of experience. Here’s a step-by-step breakdown of the process.
Application and Initial Call
I applied for the position via LinkedIn, and shortly after, I received a call to confirm my availability for an interview. Once that was settled, the interview was scheduled for an hour.
First Technical Interview
The first round was a technical interview. It started with a brief introduction where I talked about my background and the projects I had worked on. After that, the interview focused on a variety of technical topics. Here are some of the questions I was asked:
Java & Spring Boot Concepts:
- What is batch processing?
- Explain synchronous vs. asynchronous communication in ActiveMQ.
- What is a load balancer and what are its functions?
- Can you explain circuit breakers in Spring?
- What are RestTemplates in Spring?
- Discuss some key features of Java 8.
- What’s the difference between PUT and PATCH methods in REST APIs?
Coding Questions:
- Write a program to count the occurrences of a character based on user input.
- Given an ArrayList, write code to count the occurrence of a specific word.
- The technical questions covered various aspects of Java, Spring Boot, and core concepts that are relevant for the role.
Second Technical Interview
The second round was another technical interview, also scheduled for an hour. The focus was more on Java 8 and SQL. Here’s a summary of what was covered:
Java 8 Topics:
- More in-depth questions related to Java 8 features.
- Stream API questions and coding challenges.
SQL:
- Questions on SQL joins and query writing. I was asked to share my screen and write SQL queries in real-time.
Design Patterns:
- They asked about design patterns I had used in past projects and why I chose them.
- We also discussed Mockito and its implementation in unit testing.
The second round was quite technical, requiring in-depth knowledge of Java 8 features and SQL.
Final Steps
After successfully clearing the technical rounds, I received a call from the HR team regarding the salary breakdown and other formalities.
Conclusion
The interview process was quite rigorous and required solid preparation in areas like Java 8, Spring Boot, SQL, and design patterns. Overall, it was a great learning experience, and I was pleased to have been selected for the role.
Good luck to anyone preparing for a similar interview! Remember, thorough preparation is key.