Senior Java and Database Developer

Job Description:

• Experience in Java and modern technologies. Required           7            Years  
• Java (Java 17+) features such as records, sealed classes, switch expressions, pattern matching, and enhanced performance improvements.          Required        3            Years
• Node 16+  Required           3            Years
• ServiceNow, Splunk, Dynatrace               Required           3            Years
• Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Batch)         Required           3            Years
• Microservices Architecture (Designing, developing, and deploying microservices)      Required           3            Years
• Java Server Pages (creating dynamic web pages and integrating with back-end logic)  Required           3            Years
• Database Management (PostgreSQL, Oracle and experience with ORM tools like Hibernate)      Required           3            Years
• RESTful Web Services (API development, consumption, and integration)        Required           3            Years
• CI/CD: GitHub Actions    Required           3            Years
• KeyCloak Integration: Integrate KeyCloak with Java-based applications and services for API authentication  Required           3            Years
• Scripting Languages: Proficiency in one or more scripting languages, such as Bash, or PowerShell, Python       Required           3            Years
• Proficiency in SQL and experience with relational databases (e.g., MySQL, PostgreSQL, Oracle).       Required           3            Years

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 Database Developer on Georgia’s Child Welfare technical team in Atlanta, Georgia.

The suitable candidate will be a Java Developer with strong database knowledge. This role will be responsible for developing and maintaining high-quality software applications, ensuring seamless integration with various database systems.

Java 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.
• Formulating data dictionaries that are congruent with task specifications.
• Creating technical documents that outline the purpose, capacity, and guidelines attached to each database.
• Providing practical guidance on the use and migration of each database.
• Servicing and updating databases, as required.

Database Responsibilities

•             Development: Design and implement PL/SQL functions, procedures, and packages to meet business requirements.

•             Triggers: Create and manage database triggers for automation of tasks and enforcement of business rules.

•             Performance Tuning: Optimize SQL queries and PL/SQL code for performance and scalability.

•             Database Design: Collaborate with the data modeling team to create efficient database designs.

•             Testing: Conduct unit and integration testing of PL/SQL code to ensure reliability and accuracy.

•             Documentation: Maintain documentation for developed code, processes, and database schemas.

•             Collaboration: Work closely with application developers, business analysts, and other stakeholders to gather requirements and provide technical support.

•             Troubleshooting: Diagnose and resolve database issues, including performance bottlenecks and data integrity problems.

Experience and Technical Skills Required

·        Seven (7) years of experience in Java and modern technologies.

·        Previous experience using

-        Java (Java 17+) features such as records, sealed classes, switch expressions, pattern matching, and enhanced performance improvements

-        Node 16+

-        ServiceNow, Splunk, Dynatrace

-        Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Batch)

-        Microservices Architecture (Designing, developing, and deploying microservices)

-        Java Server Pages (creating dynamic web pages and integrating with back-end logic)

-        Database Management (PostgreSQL, Oracle and experience with ORM tools like Hibernate)

-        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.

-        Testing: JUnit, TestNG, Mockito

-        Version Control: GitHub

-        Build Tools: Maven, NPM

-        CI/CD: GitHub Actions

-        Frontend Integration: Understanding of HTML, CSS, JavaScript, and Angular 17+

-        Security & Identity Management: Experience with OAuth 2.0, JWT tokens, and SAML/SSO integration for authentication and authorization

-        KeyCloak Integration: Integrate KeyCloak with Java-based applications and services for API authentication

-        Scripting Languages: Proficiency in one or more scripting languages, such as Bash, or PowerShell, Python

-        Experience with cloud-based databases (e.g., AWS RDS).

-        Proficiency in SQL and experience with relational databases (e.g., MySQL, PostgreSQL, Oracle).

-        Knowledge of NoSQL databases (e.g., MongoDB, Cassandra) is a plus.

-        Familiarity with agile methodologies.