Senior Java Developer

SUMMARY:
Our client is in search of a Senior Java Developer to develop functionality for a JEE (J2EE) based product. The backend is a service oriented Spring based application. It provides a service layer for different user channels ranging from web, rich clients and batch users integrating via JMS and web services.

POSITION INFO:

Responsibilities/Tasks:

• Support existing and develop new functionality and components.
• Understand existing product and domain elements and work with business analysts to refine and implement new requirements.
• Refactor and improve the code to keep the product maintainable and adaptable to new requirements.
• Evaluate and improve application performance, and high availability features.
• Create unit and integrated system tests to show that the developed functionality works as intended.
• Create technical documentation that explains how the various components of the system work and how to use them.
• Do root cause analysis on bugs to find and fix the cause of a problem in an integrated system.
• Build and deploy the system on an application server.
• Create and execute functional test scenarios (dev testing).
• Work effectively in a team environment, actively collaborating to improve software development processes and standards.

Requirements:

• Relevant tertiary qualification in Information Technology or Computer/Engineering Sciences and/ or at least 3 years relevant experience as a developer as part of a team in a software development environment.
• A strong knowledge of Java is essential.
• 2-3 years relevant experience as a senior back-end developer in a multi-tiered Java application development.
• Experience in scripting languages is preferred (e.g. JavaScript, Angular, Python/Jython).
• Ability to work in a team environment and collaborate on a common (UML) design model.
• A thorough understanding of SDLC processes, tools and techniques.

Skills and Knowledge Requirements:

• Experience with team development tools: Use of source control applications (preferably GIT); Use of a UML tool for documentation.
  • JEE (J2EE) server side technologies, SOAP and Services
  • Spring framework (preferable)
  • JPA /Hibernate
  • Experience with an application server (IBM Websphere - preferable)
  • Integration experience (Web/RESTful services, JMS)
  • JAXB and XML Schema
  • Maven
  • SQL and experience with a relational database (i.e. Oracle, PostgreSQL, MySQL, DB2)
  • SoapUI/Postman
  • Business process/workflow layers e.g. JBPM, BPEL (Activiti)
  • Rules engines (i.e. Drools)
  • Design patterns (Object Oriented, SOLID, GRASP)
  • Continuous integration tools (i.e. Jenkins, Bamboo, Docker)
  • Business process/workflow layers e.g. JBPM, BPEL (Activiti)
  • Rules engines (i.e. Drools)
  • Design patterns (Object Oriented, SOLID, GRASP)
  • Continuous integration tools (i.e. Jenkins, Bamboo, Docker)

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