Java Back End Developer

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:

• Bachelors degree in Computer Science, Engineering, or a related field.
• 3+ years of experience in Java development