Johannesburg, South Africa | Posted on 18/06/2026

Key Responsibilities

• Design, develop, and maintain enterprise-grade backend applications using Java EE/Jakarta EE standards.
• Build and optimize APIs, microservices, and integration layers using frameworks such as Spring / Spring Boot, JAX-RS, JPA, EJB, Hibernate.
• Develop and maintain high-performance server-side components and batch processing workflows.
• Implement unit tests, integration tests, and ensure code quality through best practices and standards.
• Participate in solution architecture design sessions for new and existing systems.
• Contribute to the design of scalable, modular, and resilient backend architectures.
• Identify performance bottlenecks and recommend system improvements.
• Work with relational databases such as PostgreSQL, Oracle, MySQL, SQL Server.
• Develop efficient SQL queries, stored procedures, and ORM mappings....