State of GA | GA DHS - Senior Java and Database Developer (750021) | Hybrid (Atlanta, GA)

Caliber Tech - Atlanta, GA

Full-time - Senior

Atlanta, GA

About the position

The Senior Java and Database Developer will be responsible for developing and maintaining high-quality software applications, ensuring seamless integration with various database systems. This role requires strong expertise in Java development, database management, and cloud deployment, with a focus on performance optimization and security.

Responsibilities

• Develop and maintain Java-based applications using core Java and advanced Java (Java 17).
• Design and implement microservices using Spring Boot and other relevant frameworks.
• Build and consume RESTful APIs and web services.
• Integrate with databases, ensuring performance optimization (e.g., SQL databases like PostgreSQL, Oracle).
• Write unit and integration tests using JUnit, TestNG, Mockito, or other testing frameworks.
• Develop SQL queries and analyze data to support application development and production issues.
• Implement object-oriented design principles and patterns for scalable and maintainable codebases.
• Ensure adherence to clean code principles and write reusable, modular code.
• Troubleshoot and debug Java applications, ensuring optimal performance and security.
• Participate in code reviews and provide constructive feedback to peers.
• Follow Agile methodologies (Scrum) and participate in sprints, daily stand-ups.
• Use version control systems like GitHub for source code management.
• Implement and manage CI/CD pipelines using GitHub Actions.
• Collaborate with DevOps teams for cloud deployment and infrastructure management (AWS).
• Design, configure, and implement Spring Batch jobs for processing large datasets and scheduling tasks.
• Implement dynamic web pages and views using JSP (Java Server Pages).
• Design and implement authentication and authorization mechanisms using Key Cloak for identity and access management.

Requirements

• Seven (7) years of experience in Java and modern technologies.
• Proficiency in Java (Java 17+) features such as records, sealed classes, switch expressions, pattern matching, and enhanced performance improvements.
• Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Batch).
• Experience in Microservices Architecture (Designing, developing, and deploying microservices).
• Experience with Database Management (PostgreSQL, Oracle and experience with ORM tools like Hibernate).
• Experience in RESTful Web Services (API development, consumption, and integration).
• Thorough understanding of REST, SOAP, Web services and API Communication protocols S/FTP/S, HTTP/S, File I/O etc.
• Experience with testing frameworks: JUnit, TestNG, Mockito.
• Familiarity with version control: GitHub.
• Experience with CI/CD: GitHub Actions.

Nice-to-haves

• Experience with Node 16+
• Experience with ServiceNow, Splunk, Dynatrace.
• Understanding of HTML, CSS, JavaScript, and Angular 17+.
• Experience with cloud-based databases (e.g., AWS RDS).
• Knowledge of NoSQL databases (e.g., MongoDB, Cassandra) is a plus.
• Familiarity with agile methodologies.

Benefits

• Health insurance
• 401k retirement plan
• Paid holidays
• Flexible scheduling
• Professional development opportunities