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Employment Type: Full-time/Contract

Location: Sydney / Melbourne

Employment Type: Contract / Permanent

About the Role

We are seeking an experienced Java Integration Engineer to design, develop, and support enterprise-grade integration solutions. The ideal candidate will have strong hands-on experience in Java-based backend development, API integrations, event-driven architectures, and modern integration platforms. This role will partner closely with architects, product owners, and engineering teams to deliver scalable and resilient integration services.

Key Responsibilities:

• Design, develop, and maintain Java-based integration solutions and microservices.
• Build and consume RESTful APIs and event-driven services.
• Develop integrations between cloud, on-premise, and third-party applications.
• Implement asynchronous processing using messaging and workflow orchestration platforms.
• Participate in architecture discussions and contribute to integration strategy and design.
• Troubleshoot and resolve production issues while ensuring high availability and performance.
• Develop reusable integration components, frameworks, and best practices.
• Collaborate with cross-functional teams in Agile delivery environments.
• Create technical documentation, integration specifications, and deployment guides.

Required Skills & Experience:

• 5+ years of hands-on experience in Java development .
• Strong experience with:
• Java 11/17+
• Spring Boot
• Microservices Architecture
• REST APIs & Web Services
• Maven/Gradle
• JUnit and automated testing
• Experience with integration technologies such as:
• Apache Kafka
• RabbitMQ
• IBM MQ
• MuleSoft
• Apache Camel
• Boomi
• WebMethods
• Azure Integration Services
• Experience with workflow orchestration tools such as:
• Temporal
• Camunda
• Netflix Conductor
• Strong understanding of:
• Event-driven architecture
• API security (OAuth2, JWT, OpenID Connect)
• Design patterns and distributed systems
• CI/CD pipelines

Cloud & DevOps:

• Experience with at least one cloud platform:
• AWS
• Azure
• Google Cloud Platform
• Exposure to:
• Docker
• Kubernetes
• Terraform
• GitHub Actions / Jenkins

Nice to Have:

• Experience within Banking, Financial Services, or Payments domains.
• Exposure to OpenAPI/Swagger and API Gateway platforms.
• Knowledge of integration monitoring and observability tools.
• Experience with real-time payment and transaction processing systems.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related discipline.
• Relevant cloud or integration certifications are advantageous.

Key Attributes

• Strong problem-solving and analytical skills.
• Excellent stakeholder communication abilities.
• Ability to work in fast-paced Agile environments.
• Passion for building scalable and high-quality integration solutions.