Java Developer; OVA

Java Developer

Are you a passionate Java Developer with a strong software engineering background and hands-on experience building scalable, high-performance systems? We are looking for a skilled professional to join our client's team and work on enterprise-grade, mission-critical applications.

Location: Johannesburg

Experience: 5+ years

Employment Type: 6 months contract, hybrid

As a Java Developer, you will be responsible for end-to-end application development, working across multiple tiers of the application stack. You will contribute to system architecture, application design, development automation, deployment, and ongoing performance optimisation.

• Design, develop, implement, and deploy Java applications end-to-end
• Work across different tiers of the application (frontend, backend, integration, database)
• Apply Object-Oriented Design principles and best practices
• Develop and maintain SOA and Microservices architectures
• Build and integrate APIs using SOAP, REST, JSON, and MQ
• Ensure applications meet security requirements and models
• Develop, deploy, and test automation solutions
• Implement CI/CD pipelines and Dev Ops practices
• Monitor application performance and perform optimisation
• Troubleshoot and resolve complex technical issues
• Participate in Agile delivery (Scrum, Kanban, SAFe)
• Collaborate with cross-functional and integrated system teams

• Strong hands‑on Java development experience
• Solid experience with:
  • Spring Framework
  • Spring Boot
  • JPA
  • Hibernate
  • Micronaut
• Experience with Java Application Servers
• Strong understanding of SOA / API architectures
• Experience with Microservices architectures
• Integration protocols: SOAP / XML, REST, JSON, MQ
• Database experience:
  • SQL
  • DB2
  • No
    
    SQL (Mongo
    
    DB, Cassandra)
• Experience deploying and running Java applications in:
  • Docker
  • Kubernetes
  • AWS / Azure
• CI/CD, Dev Ops and automation tooling experience
• Performance monitoring and optimisation tools
• Experience in high‑volume environments (clustering, scaling, multi-threading, session management)

• Intelli
  
  J or Eclipse
• Git
• Maven
• Sonar Qube (or similar code quality tools)
• Nexus (or similar artifact repository)
• Azure Dev Ops
• Dev Ops toolsets for software releases
• JWT (Java Web Tokens)
• SSL
• HTML & CSS

• Minimum 5+ years Java development experience
• Exposure to Agile delivery (Scrum, Kanban, SAFe)