Work Arrangement: Hybrid Worksite Address: 47 Trinity Ave SW, Atlanta, GA 30334 Agency Interview Type: Web Cam Interview Only Short Description: The Georgia Department of Human Services (DHS), Office of Information Technology, is seeking a qualified candidate for a contractor staffing position for a Senior Java and Boomi Developer on Georgias Child Welfare technical team in Atlanta, Georgia. Complete Description: Java Key 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, ensuring secure communication through OAuth 2.0 and JWT tokens. · Leverage SAML/SSO integration for single sign-on and authentication. • Proficiency in Postgres, PL/SQL and Oracle database technologies. · Strong knowledge on Message oriented middleware concepts including different Messaging styles (Asynchronous, pub-sub), Messaging APIs (JMS, STOMP, AMQP, REST) · Strong working experience designing event driven architecture, Kafka, RabbitMQ/ActiveMQ infrastructure for various environments (Dev, Test, Prod, etc.) · Working experience with Java, Spring MVC, Spring Boot, Spring Batch and Microservices (API) and Oracle RDS, SQL. · Experience building continuous delivery (DevOps) pipelines for Jenkins, Kafka, RabbitMQ/ActiveMQ components. Boomi Key Responsibilities · 5+ Years of experience in Enterprise Integration Patterns and Enterprise application architecture (Designing, Building and Deploying Messaging Solutions). · Strong hands-on experience in Boomi Process building & deployment, API management, alert framework/exception handling, connectors/listeners, and integration packs usage. · Experience in Cloud Integration using Dell Boomi · Strong understanding of SOA principles and implementation Integration knowledge · Familiar and experienced with technologies of the major Integration platforms. · Strong experience with building integrations with Dell Boomi. · Must be familiar with API and Microservices and other Open-source integration related technologies. · Strong experience on APIs Design and Development (RAML, REST, SOAP) · Certification in Middleware Platforms (Integration Professional, Solution Design Specialist). · Understanding of Development Methodologies (Agile), Estimation Techniques. · Hands on experience in setting up Boomi environments and configurations preferably for Boomi on AWS · Hands-on experience in troubleshooting SFDC connectors/listeners, Database Connectors, and Web services Connectors/Listener, complex scripts (Java or Groovy scripts), process/ sub-processes interdependencies and scheduled data jobs · Thorough understanding of REST, SOAP, Web services and API Communication protocols S/FTP/S, HTTP/S, File I/O etc. · Ability to understand and document the upstream and downstream dependencies of Boomi APIs · Strong experience with enterprise application security (API/Messaging) and Boomi code vulnerabilities · Knowledge of Boomi Process building, development and good understanding of various data formats XML, JSON, CSV, Database is an add-on. · Boomi platform governance, connector license management and continuous platform improvements.