- Design end-to-end solutions using Java, Spring Boot, Microservices, REST APIs, Mesh

- Define application, integration, and API architecture aligned with enterprise standards.

- Design and implement Mesh API / API Mesh solutions for integrating multiple services, systems, and data sources.

- Define API contracts, service interfaces, data models, authentication, authorization, and error-handling standards.

- Design scalable and resilient microservices architectures.

- Review existing applications and recommend modernization, decomposition, and integration strategies.

- Work closely with business analysts, product owners, architects, developers, DevOps, and infrastructure teams.

- Produce solution design documents, architecture diagrams, sequence diagrams, API specifications, and technical documentation.

- Ensure solutions meet requirements for security, performance, scalability, availability, observability, and maintainability.

- Conduct technical design reviews and provide guidance to Java development teams.

- Troubleshoot complex integration and production issues and provide root-cause analysis.

- Support CI/CD, cloud deployment,



containerization, and DevOps practices where required.

- Evaluate new technologies and recommend appropriate solutions based on business and technical requirements.

Required Technical Skills

Java & Backend

- Strong hands-on experience with Java 8/11/17+.

- Excellent knowledge of Spring Boot, Spring Framework, Spring Security.

- Strong experience with RESTful APIs and Microservices.

- Valuable understanding of Java design patterns, SOLID principles, and clean architecture.

- Experience with asynchronous/event-driven architectures is desirable.

API / Mesh

- Strong experience in API design and integration.

- Experience with Mesh API / API Mesh architectures and integration of multiple backend services.

- Understanding of API gateways, service discovery, routing, aggregation/orchestration, authentication, authorization, throttling, and API versioning.

- Experience with OpenAPI/Swagger and API lifecycle management.

- Knowledge of OAuth 2.0, JWT, mTLS, and enterprise API security.

📌 Java Solution Designer - Mesh API (Sydney)
🏢 Xpt Software Australia
📍 Sydney