Peter Liao

• Deployed HAPI FHIR Server and developed a Spring Boot security layer integrated with Keycloak to enforce role-based access control (RBAC) for FHIR APIs.
• Implemented Java-based data transformation services for Kaohsiung Veterans General Hospital, converting legacy HIS data into standardized FHIR resources and supporting successful data exchange validation by Taiwan’s National Health Insurance Administration (NHIA).
• Developed Spring Boot backend services for Bank of Taiwan Life’s online insurance platform, integrating IBM BPM and collaborating with a frontend vendor to design RESTful APIs.
• Designed SQL Server relational database tables to track insurance applications and workflow states, collaborating with business stakeholders to improve process traceability.

• Developed Java-based microservices and backend APIs for healthcare authorization and insurance verification workflows deployed on Azure.
• Integrated Kafka-based asynchronous messaging between authorization processing services and a rules engine to support communication across distributed services.
• Implemented unit and integration tests using Mockito and Jest, maintained existing Jenkins CI/CD pipelines, and collaborated with Agile/Scrum teams on application delivery.

• Migrated E.SUN Bank consumer-loan workflows from Lotus Notes to Java and IBM BPM, implementing credit review and approval functionality.
• Recovered a delayed rules-engine module for China Life Insurance by resolving incompatible JSON input structures, clarifying business requirements, and leading three junior engineers to deliver on schedule, avoiding approximately USD 150K in contractual delay penalties.
• Developed a reusable Java library to encapsulate IBM BPM APIs for WT Microelectronics, simplifying system integration and successfully passing client code reviews and acceptance testing.

• Served as the module leader for the Motor Insurance Agency module during the migration of Fubon Insurance's financial core system from AS/400 to Java EE, contributing to approximately USD 300K in annual maintenance cost savings.
• Designed financial transaction workflows and relational database schemas in Oracle for payment collection, accounts receivable, reconciliation, settlement, refunds, fund transfers, and accounting vouchers.
• Optimized daily batch processing through Oracle SQL execution plan analysis, query restructuring, and index tuning to improve database performance.
• Translated business requirements into functional specifications, coordinated two developers, and supported testing and production delivery.

• Developed and maintained Java-based functionality for SYSTEX's OM fixed-income trading platform, supporting securities firms and banks in trading operations, risk management, batch processing, and financial reporting.
• Served as the technical support contact for Cathay and Yuanta Securities, handling production issues and enhancement requests, implementing system changes based on SA specifications, and performing on-site deployment and troubleshooting.
• Customized the OM platform for new clients, delivering 100+ batch jobs and 300+ financial, performance, and risk-control reports in PDF, CSV, XML, and Excel formats.
• Implemented client-specific credit risk controls using ratings from S&P, Moody's, and Fitch.