Java Developer

We are looking for a Consultant Java Developer to design, develop, and maintain both front-end and back-end components of web applications. The role involves working with modern front-end frameworks, server-side technologies, databases, and APIs, while collaborating with cross-functional teams to deliver scalable and high-quality solutions. The ideal candidate has strong programming skills, experience across the full stack, and a solid understanding of software design principles.

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

1
- Core

Skills:

• Solid understanding of Java (Java 8 or higher).
• Expertise in Java Portlet Specification (JSR 286 or JSR 362). (Crucial Portlet Skill)
• Knowledge of the Portlet Lifecycle phases (Action, Render, Event, Resource). (Crucial Portlet Skill)
• Familiarity with Java Server Pages (JSP) or other view technologies used in portlet rendering. (Crucial Portlet Skill)
• Basic knowledge of Spring Boot framework or other MVC frameworks (like Spring MVC Portlet).
• Familiar with RESTful API development (for portlet-to-backend communication).
• Strong grasp of Object-Oriented Programming (OOP).
• Familiarity with Maven or Gradle for build automation.
• Basic understanding of JSON, XML, and data interchange formats (especially portlet.xml).

2
- Portal & Platform:

• Direct experience with a commercial portal platform (e.g., Liferay DXP, IBM/HCL Web Sphere Portal, Oracle Web Center) is highly preferred. (Specific Platform Focus)
• Understanding of Inter-Portlet Communication (IPC) via Public Render Parameters or Events. (Crucial Portlet Skill)

3
- Database:

• Basic knowledge of SQL and relational databases.
• Exposure to IBM Db2 (querying, basic administration, integration).
• Basic familiarity with No
  
  SQL databases, especially Couchbase.
• Understanding of Spring Data JPA or Spring Data Couchbase is a plus.
• Basic experience with Git and platforms like Git Hub or Git Lab.
• Familiar with an IDE (e.g., Intelli
  
  J IDEA, Eclipse, or an IDE specific to the portal platform like Rational Application Developer).

5
- Nice to Have:

• Experience with Spring modules like Spring Security, Spring Data, or Spring MVC.
• Familiarity with JUnit or Mockito for unit testing.
• Exposure to Docker and containerized development.
• Awareness of CI/CD pipelines and tools like Jenkins, Git Hub Actions.
• Understanding of basic microservices concepts.
• Knowledge of front-end frameworks like Angular, React.js, or React Native for building Single-Page Application (SPA) style portlets.

• Willingness to learn and adapt to new technologies.
• Strong problem-solving and analytical mindset.
• Good written and verbal communication skills.
• Ability to work collaboratively in a team environment.
• Time management and attention to detail.

• Assist in building and maintaining Java Portlets and Spring Boot applications.
• Collaborate with senior engineers to solve development tasks.
• Develop and deploy portlets that adhere to JSR specifications and portal standards.
• Ensure portlet performance, security, and integration with the overall portal theme/layout.
• Integrate with IBM Db2, Couchbase, and other data sources.
• Write clean, maintainable, and well-documented code.
• Participate in team meetings, code reviews, and technical discussions.
• Stay updated with Java/Spring and backend development best practices.