Principal Solution Designer – Java / Spring Boot / Microservices

Job Details: Principal Solution Designer – Java / Spring Boot / MicroservicesLocation: Sydney, NSWDuration: 6 monthsNotice Period: 4 weeks

Nice to Have Skills:

We are looking for an experienced Principal Solution Designer with strong expertise in Java, Spring Boot, Microservices, Cloud, and Enterprise Architecture to drive solution design and technology strategy for large-scale digital transformation programs. The ideal candidate will work closely with business stakeholders, architects, delivery teams, and clients to define scalable, secure, and high-performing solutions aligned with enterprise goals.The role requires deep technical expertise, architectural leadership, stakeholder management, and hands-on experience designing modern, cloud-native applications.

Key ResponsibilitiesSolution Architecture & DesignLead end-to-end solution design for enterprise applications and digital transformation initiatives.Define architectural blueprints, solution patterns, and technology roadmaps.Design scalable, resilient, secure, and high-performance microservices-based applications.Translate business requirements into technical solutions and architecture designs.Develop HLDs, LLDs, integration specifications, and architecture artifacts.Ensure alignment with enterprise architecture standards and best practices.Technology LeadershipProvide technical leadership for Java, Spring Boot, and Microservices implementations.Guide development teams on architecture principles, design patterns, coding standards, and best practices.Evaluate emerging technologies and recommend adoption strategies.Drive application modernization initiatives, including monolith-to-microservices transformation.Cloud & Integration ArchitectureDesign cloud-native solutions using AWS, Azure, or Google Cloud.Architect APIs, event-driven systems, and distributed application ecosystems.Define integration strategies involving REST APIs, messaging platforms, and third-party systems.Design containerized solutions using Docker and Kubernetes.Stakeholder ManagementCollaborate with business leaders, product owners, enterprise architects, and delivery teams.Conduct architecture reviews and solution workshops.Present technical solutions to customers, executives, and governance boards.Influence technology decisions across programs and portfolios.Quality, Security & GovernanceEnsure adherence to architecture governance, security policies, and compliance standards.Conduct architecture reviews, design reviews, and code quality assessments.Define non-functional requirements including scalability, performance, reliability, and availability.Support DevSecOps and CI/CD implementation strategies.Pre-sales & Proposal SupportParticipate in solution estimation, RFP responses, and technical proposal creation.Support customer presentations, architecture discussions, and solution demonstrations.Contribute to effort estimation and delivery planning.

Required QualificationsBachelor's or Master's degree in Computer Science, Information Technology, Engineering, or related discipline.14+ years of experience in software development and enterprise solution architecture.Minimum 5+ years of experience designing distributed and microservices-based systems.Proven track record in leading architecture and design for large enterprise programs.Experience working in global delivery and consulting environments.

Mandatory Technical SkillsCore TechnologiesJava 8/11/17+Spring BootSpring CloudMicroservices ArchitectureRESTful APIsHibernate/JPAMaven/GradleCloud & DevOpsAWS / Azure / GCPDockerKubernetes/OpenShiftCI/CD PipelinesJenkins, GitHub Actions, Azure DevOpsInfrastructure as Code (Terraform preferred)Messaging & IntegrationKafkaRabbitMQActiveMQAPI GatewayEvent-Driven ArchitectureDatabasesOraclePostgreSQLMySQLMongoDBRedisArchitecture PatternsDomain Driven Design (DDD)Event SourcingCQRSSaga PatternCircuit Breaker PatternService DiscoveryDistributed CachingObservability & MonitoringELK StackSplunkPrometheusGrafanaDynatraceAppDynamics
Soft SkillsStrategic ThinkingTechnical LeadershipStakeholder ManagementCustomer EngagementProblem SolvingPresentation & Communication SkillsMentoring & Team LeadershipDecision Making
Preferred CertificationsAWS Solution Architect Professional / AssociateMicrosoft Azure Solutions Architect ExpertTOGAF CertificationKubernetes Certified Administrator (CKA)Certified Kubernetes Application Developer (CKAD)Spring Professional CertificationSAFe Architect Certification
Key Responsibilities DeliverablesSolution Architecture Documents (HLD/LLD)Technology RoadmapsArchitecture Review ReportsDesign Standards and Best PracticesAPI & Integration FrameworksCloud Migration StrategiesModernization AssessmentsTechnical Governance Artifacts
Key Performance Indicators (KPIs)Architecture ComplianceSolution Quality and ScalabilityProduction StabilityPerformance OptimizationCustomer Satisfaction (CSAT)Successful Delivery of Architecture MilestonesTechnical Debt ReductionReusability and Standardization MetricsCloud Adoption and Modernization Success
Experience Range14 to 20 Years

Minimum Years of Experience 15+