• 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
• Robust hands-on experience with Java 8/11/17+.
• Excellent knowledge of Spring Boot, Spring Framework, Spring Security.
• Strong experience with RESTful APIs and Microservices.
• Good 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 (Sydney)
🏢 XPT Software
📍 Sydney