Senior Java and Database Developer

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.