Senior Java API Developer – MuleSoft & Integration – Sydney/Melbourne

Delivery Centric is seeking a Senior Java API Developer with strong MuleSoft experience to design and develop enterprise APIs, microservices and integration solutions using Java, Spring Boot and MuleSoft. Experience in the financial services domain is highly desirable.

Key Responsibilities

• Design and develop RESTful APIs and microservices using Java and Spring Boot
• Develop, enhance and support MuleSoft / Anypoint Platform integrations and APIs
• Build scalable, secure and resilient integrations across complex enterprise environments
• Contribute to API-led connectivity and microservices architectures
• Develop API specifications, models and supporting technical documentation
• Perform unit testing, integration testing, troubleshooting and code reviews
• Work with architects and technical teams on solution design and enterprise integration patterns
• Integrate applications across cloud, on-premise and hybrid environments
• Support CI/CD pipelines and DevOps-driven delivery
• Contribute to legacy modernisation and migration towards API-led and cloud-native architectures

Primary Technical Requirements

• Strong commercial experience with Java 8+
• Strong hands-on experience with Spring / Spring Boot
• Strong experience developing RESTful APIs
• Hands-on experience with MuleSoft / Anypoint Platform
• Experience developing MuleSoft APIs, integrations and workflows
• Experience with MuleSoft API-led connectivity and integration patterns
• Strong understanding of microservices architecture
• Experience with Swagger / OpenAPI and Postman
• Understanding of API security, governance and integration best practices
• Strong understanding of enterprise integration patterns

Desirable Experience

• Experience within financial services / banking
• Docker and Kubernetes
• AWS and/or Azure
• CI/CD and DevOps practices
• Messaging and event-driven architectures
• API management platforms and enterprise middleware
• SQL and NoSQL databases, including MongoDB
• Experience with distributed systems and cloud-native architectures

How to Apply

Ready to take on a Senior Java API Developer – MuleSoft & Integration role in Sydney/Melbourne with Delivery Centric? Apply now to join a team that delivers excellence and realises value for its clients.