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Senior Java and Database Developer

Senior Java and Database Developer

Apollo ITSAtlanta, GA, United States
30+ days ago
Job description

Title : Senior Java and Database Developer

Location : Atlanta, GA (Hybrid)

Duration : 12+ Months

Type : Contract

Job Description :

  • 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 10 / 24 / 24, 10 : 24 AM State of Georgia
  • 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