Johannesburg: Senior Java Developer

January 8, 2026 Jobs in Central Johannesburg

Job Description

We’re looking for a Senior Java Developer with a strong foundation in Spring Boot microservices to join us as a consultant. In this role, you’ll help design, build, and maintain scalable and reliable backend services using modern tools and best practices. What You’ll Do: Design, develop, and maintain robust microservices using Spring Boot Collaborate with cross-functional teams on architecture, development, deployment, and monitoring Write clean, testable, and maintainable code with tools like JUnit, Mockito, and Jacoco Build and document RESTful APIs, leveraging OpenAPI/Swagger Work within a CI/CD pipeline using Git, BitBucket, Bamboo, and container tools like Kubernetes and Rancher Integrate and configure tools such as Kafka, Camunda 7, and PostgreSQL Use Agile and Scrum methodologies for sprint planning, issue tracking, and documentation via JIRA and Confluence Monitor, profile, and optimize services using Grafana, SonarQube, and Spring Boot Actuator Your expertise: Must-Have Skills: At least 7 years’ proven experience building microservices with Java and Spring Boot Have a solid foundation in Spring Boot Microservice development Proficiency in SQL, JSON, XML Solid understanding of JPA, JWT, Lombok, Flyway, SLF4J, and Jackson, or similar Experience with testing frameworks (for example; Mockito, JUnit) Familiarity with DevOps workflows and tools: Git, BitBucket, Harbor, Bamboo Nice-to-Haves: Exposure to Kafka, Camunda, Avro Knowledge of Kubernetes, Rancher, and cloud-native deployment strategies Understanding of architectural patterns like API gateways, dependency injection, and containerization Experience with metrics, logging, and observability tools like Grafana and Spring Boot Actuator Familiarity with SonarQube, Jacoco, and code quality best practices Soft Skills: Comfortable in Agile environments and change/release processes Strong communication and documentation skills Eagerness to learn and work with a variety of modern tools

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About IT / Computing / Software Jobs in Gauteng

In Gauteng, the IT and computing industry is a significant contributor to the province’s economy, with a steady demand for skilled professionals. Typically, this field is characterized by rapid technological advancements, innovative projects, and a high level of job satisfaction among employees. Generally, career prospects in this sector are strong, with a range of opportunities available across various industries.

Salaries for IT and computing professionals in Gauteng can vary widely depending on factors such as experience, company size, and industry sector. While it is common to see salaries ranging from R400 000 to R1,200 000 per annum, these figures are only a general guideline and actual salaries may differ significantly. For instance, senior executives or technical leads with extensive experience may command higher salaries, while entry-level positions may start at lower levels.

Common skills required for IT and computing roles in Gauteng include proficiency in programming languages such as Java, Python, or C++, knowledge of cloud platforms like AWS or Azure, and experience with agile development methodologies. Additionally, understanding of data analysis and interpretation, cybersecurity principles, and IT project management are often essential. Familiarity with popular software applications, such as Microsoft Office 365 or Google Workspace, is also beneficial.

The financial services sector, technology industry, manufacturing sector, and government departments are among the common industries that employ IT and computing professionals in Gauteng. These sectors require a range of skills and expertise, from data analysis to network administration, making them attractive options for career development.

For those seeking a career in IT and computing, there are numerous opportunities for professional growth and development. Typically, career progression involves moving into senior roles or specialized positions, such as technical lead, solutions architect, or data scientist. Opportunities for further education and training, such as certifications or postgraduate studies, can also enhance job prospects. Generally, a strong understanding of industry trends, networking, and continuous learning are essential for success in this field.

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This information provides general career guidance. Actual salaries and requirements vary by employer.

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