Senior Java Developer
Summit Africa Recruitment
Cape Town, South Africa
4d ago
source : Executive Placements

Purpose :

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.

The work contains a portion of support and refactoring of existing code as well as new development (extend it for new functionality) and add extra integration points.

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.
  • 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.
  • Experience of the following technologies :
  • o JEE (J2EE) server side technologies, SOAP and Services

    o Spring framework (preferable)

    o JPA / Hibernate

    o Experience with an application server (IBM Websphere - preferable)

    o Integration experience (Web / RESTful services, JMS)

    o JAXB and XML Schema

    o Maven

    o SQL and experience with a relational database (i.e. Oracle, PostgreSQL, MySQL, DB2)

    o SoapUI / Postman

  • Ability to deliver production quality software by e.g. paying attention to detail, do extensive unit testing and support quality testing phases.
  • Knowledge and experience of the following would be a plus :
  • o Business process / workflow layers e.g. JBPM, BPEL (Activiti)

    o Rules engines (i.e. Drools)

    o Design patterns (Object Oriented, SOLID, GRASP)

    o Continuous integration tools (i.e. Jenkins, Bamboo, Docker)

    Personal Profile :

  • Self-starter, self-motivated, team player
  • Excellent communication and interpersonal skills
  • Strong attention to detail
  • Able to work under pressure and meet deadlines
  • Finisher
  • Must be in Cape Town, Hybrid WFH role.

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