Quadrant Technologies - Java Developer - Spring Boot Frameworks (3-7 yrs)

Job Summary :

We are looking for a skilled Java Developer with expertise in backend development, cloud integrations, and database management. The ideal candidate should have hands-on experience with Java, Spring Boot, Spring Security, microservices architecture, and modern tools like Docker and SonarQube. This role involves building scalable, secure, and high-performance applications while integrating with AWS, Firebase, Twilio, and Azure Blob Storage.

Key Responsibilities :

1. Backend Development :

- Design, develop, and maintain applications using Java, Spring Boot, and Spring Security.

- Implement scalable and secure microservices with APIs adhering to REST standards.

2. Cloud Integration :

- Integrate with AWS services such as SNS, SQS, S3, and API Gateway.

- Work with Firebase and Azure Blob Storage for cloud-based features.

3. Database Management :

- Design and manage relational databases using Postgres and MySQL.

- Create functions, views, and stored procedures in Postgres.

- Utilize PostgREST for database-to-API integrations.

4. Caching and Optimization :

- Implement caching mechanisms using EhCache, Redis, and Microstreams to enhance application performance.

5. DevOps and Containerization :

- Use Docker for containerizing applications and managing environments.

- Employ Maven for project builds and dependency management.

6. Integration Services :

- Implement messaging and notifications using Twilio and similar services.

- Design and maintain APIs to integrate with third-party systems.

7. Testing and Quality Assurance :

- Write and execute unit and integration tests using JUnit.

- Ensure code quality through SonarQube analysis and enforce best practices.

8. Version Control and CI/CD :

- Manage codebases using Git and follow collaborative branching strategies.

- Work with CI/CD pipelines for automated testing and deployment.

9. Configuration Management :

- Use Spring Config Server for centralized configuration management.

- Handle secure authentication and authorization using Keycloak.

10. Collaboration and Documentation :

- Collaborate with cross-functional teams including frontend developers, DevOps engineers, and product managers.

- Maintain technical documentation for processes and solutions.

Required Skills :

- Strong proficiency in Java, Spring Boot, and Spring Security.

- Experience with cloud platforms and services like AWS (SNS, SQS, S3, API Gateway) and Azure Blob Storage.

- Proficiency in relational databases like Postgres and MySQL, including advanced database concepts.

- Hands-on experience with Docker for containerized deployments.

- Knowledge of caching mechanisms such as EhCache, Redis, and Microstreams.

- Familiarity with Twilio and Firebase integrations.

- Strong understanding of RESTful API design and development.

- Experience with SonarQube for code analysis and JUnit for testing.

- Proficiency with Git and build tools like Maven.

Preferred Skills :

- Familiarity with PostgREST and database-to-API layers.

- Experience in building CI/CD pipelines and deployment automation.

- Exposure to monitoring and logging tools for distributed systems.

- Knowledge of advanced security practices and OAuth2/OpenID Connect with Keycloak.

Qualifications :

- Bachelor's degree in Computer Science, Engineering, or a related field.

- 3+ years of experience in Java development for Mid-Level, and 5+ years for Senior-Level roles.

Soft Skills :

- Strong analytical and problem-solving skills.

- Excellent communication and teamwork abilities.

- Proactive approach to learning and adopting new technologies.