Job Description
Java Solution Designer for a major finance transactions program. Design scalable, secure Java solutions on a 6-month contract.
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Design Java solutions for high-volume financial transaction systems
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Translate business requirements into scalable, secure technical designs
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6-month contract within a large financial services program
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Location: Hybrid - Sydney CBD
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Role Overview We are seeking an experienced Java Solution Designer to join a Business Transactions Program within a financial services environment. This role is responsible for designing robust, scalable, and secure solutions that support high-volume, mission-critical transaction processing.
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You will work closely with business stakeholders, architects, developers, and delivery teams to translate complex business requirements into well-defined technical solutions, ensuring alignment with enterprise standards and regulatory expectations.
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Key Responsibilities
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Lead the end-to-end solution design for Java-based systems supporting business and financial transactions
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Translate business and functional requirements into technical designs, architecture diagrams, and design documentation
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Design scalable, resilient, and high-performance solutions for high-volume transaction processing
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Collaborate with product owners, business analysts, and development teams to ensure designs are understood and deliverable
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Ensure solutions comply with financial services regulations, security standards,



and internal governance frameworks
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Provide technical guidance during build, test, and deployment phases
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Review and approve detailed designs, code approaches, and integration patterns
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Identify and mitigate technical risks and dependencies
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Support integration with
upstream/downstream
systems, including APIs, messaging, and legacy platforms
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Required Skills & Experience
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Robust experience as a Solution Designer / Senior Engineer in Java environments
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Deep hands-on knowledge of Java (8+), Spring / Spring Boot, and enterprise Java frameworks
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Experience designing systems for business or financial transactions, ideally in banking, payments, or capital markets
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Solid understanding of microservices architecture, RESTful APIs, and integration patterns
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Experience with transaction management, data consistency, and fault tolerance
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Strong knowledge of SQL and relational databases (e.g. Oracle, PostgreSQL, SQL Server)
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Familiarity with event-driven architectures and messaging (e.g. Kafka, JMS, MQ)
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Strong documentation and stakeholder communication skills
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Nice to Have
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Previous experience working on large transformation or regulatory programs
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Exposure to cloud platforms (Azure)
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Experience with CI/CD pipelines, DevOps practices, and containerisation
(Docker/Kubernetes)
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Knowledge of financial messaging standards or transaction frameworks
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📌 Solution Designer (New South Wales)
🏢 Fyndr Group
📍 New South Wales