Job Title
Senior Java Developer
Description
We are seeking a highly skilled Senior Java Full Stack Developer to design, develop, and deliver a cloud-native ticketing system for events and sports.
This contract engagement has 2 open positions and is based in Johannesburg with a hybrid working pattern: 2 days at CBD Bank City, 1 day at Sandton or Fairland office, and 2 days remote. Subcontractor budget: R650/hr.
Only South African citizens, South African permanent residents, or Zimbabwean nationals with CSV may apply. Immediate joiners preferred. Minimum 8 years of professional Java experience is required.
Responsibilities
- Design, build, and maintain high-performance, secure RESTful APIs and microservices using Java and Spring Boot.
- Develop responsive, modular user interfaces using Angular, TypeScript, HTML5 and CSS3/SCSS.
- Implement data persistence layers using Spring Data JPA and Hibernate, and manage interactions with PostgreSQL, Oracle, or NoSQL databases.
- Design and implement cloud-native, containerised deployments and CI/CD pipelines to support scalable production systems.
- Collaborate closely with product owners, QA, and DevOps to deliver features end-to-end and ensure high code quality and reliability.
- Perform unit and integration testing, debugging, performance optimisation, and application security reviews.
- Mentor and guide junior engineers, lead code reviews, and share engineering best practices.
Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- Minimum 8+ years of professional Java development experience with proven full-stack delivery on enterprise projects.
- Experience building or contributing to ticketing, e-commerce, or other high-transaction systems is highly desirable.
- Proven experience with cloud-native architectures, containers, and CI/CD tooling.
- Eligible to work in South Africa: SA citizen, SA permanent resident, or Zimbabwean with CSV/SA ID.
- Available to start immediately (immediate joiners preferred).
Skills
- Java
- Spring Boot
- Spring MVC
- Spring Data JPA
- Hibernate
- Angular
- TypeScript
- HTML5
- CSS3
- SCSS
- RESTful API
- Microservices
- PostgreSQL
- Oracle
- MongoDB
- NoSQL
- Docker
- Kubernetes
- Git
- CI/CD
- Jenkins
- Unit Testing
- Integration Testing
- Agile
- Scrum
- Cloud-native
- OAuth2
- Application Security
- Performance Optimization
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