Lead Java Developer

Role : Lead Java Developer

Type : Contract

Location : Sydney

Description :

Core Skills

• Strong proficiency in Java
• Hands‑on experience with Spring Boot, Spring MVC, Spring Data
• Solid experience in Java Web Development
• Strong knowledge of microservices architecture
• Practical experience with Kafka

Backend & Microservices Development

• Design, develop, and maintain microservices using Java (Java 8+) and Spring Boot
• Build RESTful APIs and backend services following best practices
• Apply clean code, SOLID principles, and design patterns
• Ensure high availability, scalability, and fault tolerance

Java Web Development (JWD)

• Develop server‑side web applications using Spring MVC / Spring Web
• Integrate backend services with frontend applications
• Implement authentication, authorization, and session management
• Optimize application performance and responsiveness

Kafka & Event‑Driven Architecture

• Design and implement event‑driven solutions using Kafka
• Develop Kafka producers and consumers
• Handle message serialization (Avro/JSON), partitioning, and offsets
• Ensure message reliability, idempotency, and error handling

DevOps & Quality

• Write unit, integration, and component tests (JUnit, Mockito)
• Support CI/CD pipelines and automated deployments
• Collaborate with DevOps teams on containerization and deployments
• Monitor applications and troubleshoot production issues