Principal Solution Designer

• XPT Software Australia Pty Ltd | Contract
• Sydney, Australia | Posted on 08/12/2026
• XPT Software Australia PTY Ltd, incorporated in 2016, is a Software Services company
• XPT works with topclients across Australia in Banking, Insurance, Telecom, Retail, Energy, Mining and Manufacturingdomains.
• We have 120+technocrats in Australia working at our clientlocations.
• XPT Software Australia is part of group companies which has globalpresence across India & Europe.
• We have served100+ clients globally, fulfilling their onsite-offshoreneeds.

Job Description

• 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 andtechnology strategy for large-scale digital transformation programs.

Theideal candidate will work closely with business stakeholders, architects, delivery teams, and clients to define scalable, secure, andhigh-performing solutions aligned with enterprise goals.

• The role requires deep technical expertise, architecturalleadership, stakeholder management, and hands-on experience designingmodern, cloud-native applications.

Key Responsibilities

• Lead end-to-end solution design for enterprise applicationsand digital transformation initiatives.
• Define architectural blueprints, solution patterns, andtechnology roadmaps.
• Design scalable, resilient, secure, and high-performancemicroservices-based applications.
• Translate business requirements into technical solutions andarchitecture designs.
• Develop HLDs, LLDs, integration specifications, andarchitecture artifacts.
• Ensure alignment with enterprise architecture standards andbest practices.
• Technology Leadership
• Provide technical leadership for Java, Spring Boot, and Microservices implementations.
• Guide development teams on architecture principles, designpatterns, coding standards, and best practices.
• Evaluate emerging technologies and recommend adoptionstrategies.
• Drive application modernization initiatives, includingmonolith-to-microservices transformation.
• Design cloud-native solutions using AWS, Azure, or Google Cloud.
• Architect APIs, event-driven systems, and distributedapplication ecosystems.
• Define integration strategies involving REST APIs, messagingplatforms, and third-party systems.
• Design containerized solutions using Docker and Kubernetes.
• Stakeholder Management
• Collaborate with business leaders, product owners, enterprisearchitects, and delivery teams.
• Conduct architecture reviews and solution workshops.
• Present technical solutions to customers, executives, andgovernance boards.
• Influence technology decisions across programs and portfolios.
• Quality, Security & Governance
• Ensure adherence to architecture governance, securitypolicies, and compliance standards.
• Conduct architecture reviews, design reviews, and code qualityassessments.
• Define non-functional requirements including scalability, performance, reliability, and availability.
• Support Dev Sec Ops and CI/CD implementation strategies.
• Participate in solution estimation, RFP responses, andtechnical proposal creation.
• Support customer presentations, architecture discussions, andsolution demonstrations.
• Contribute to effort estimation and delivery planning.
• Required Qualifications
• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or related discipline.
• 14+ years of experience in software development and enterprisesolution architecture.
• Minimum 5+ years of experience designing distributed andmicroservices-based systems.
• Proven track record in leading architecture and design forlarge enterprise programs.
• Experience working in global delivery and consultingenvironments.
• Mandatory Technical Skills Core Technologies
• Spring Boot
• Spring Cloud
• RESTful APIs
• Hibernate/JPA
• Maven/Gradle
• Docker
• Infrastructure as Code (Terraform preferred)
• Messaging & Integration
• Kafka
• Active MQ
• API Gateway
• Databases
• Oracle
• My SQL
• Mongo DB
• Redis
• Domain Driven Design (DDD)
• Event Sourcing
• CQRS
• Service Discovery
• Distributed Caching
• Observability & Monitoring
• ELK Stack
• Splunk
• Grafana
• Dynatrace
• App Dynamics
• Soft Skills
• Strategic Thinking
• Technical Leadership
• Stakeholder Management
• Problem Solving
• Presentation & Communication Skills
• Decision Making
• Preferred Certifications
• AWS Solution Architect Professional / Associate
• Microsoft Azure Solutions Architect Expert
• TOGAF Certification
• Spring Professional Certification
• SAFe Architect Certification
• Solution Architecture Documents (HLD/LLD)
• Design Standards and Best Practices
• API & Integration Frameworks
• Modernization Assessments
• Technical Governance Artifacts
• Key Performance Indicators (KPIs)
• Solution Quality and Scalability
• Production Stability
• Performance Optimization
• Customer Satisfaction (CSAT)
• Successful Delivery of Architecture Milestones
• Technical Debt Reduction
• Reusability and Standardization Metrics
• Cloud Adoption and Modernization Success