Senior Java Full Stack Developer and Technical Lead

Led the technical implementation of a next-generation Enterprise Payment System replacing legacy Global PayPlus payment rails for high-volume regional cross-border and domestic transactions.

Managed delivery of credit transfer services and back-office UI ecosystems for Singapore and Malaysia. Enforced high-availability monitoring, incident management, automated failovers, secure migrations, and regulatory compliance with zero disruption to live banking operations.

Integrated Singapore Land Authority and GovTech MyInfo SingPass V4 APIs into core banking systems to streamline digital onboarding and accelerate credit evaluation.

Built real-time fraud detection and customer analytics pipelines with Apache Spark and Scala. Introduced GenAI engineering workflows with GitHub Copilot, Tabnine, and Amazon Q, while strengthening secure SDLC practices through Snyk-driven code review and analysis.

Built decoupled microservices to automate operational reporting and deliver multi-brand analytics to Google Cloud Platform, reducing manual work by more than 40%.

Optimized application message orchestration and enterprise data movement using Apache Camel mediation patterns and Kafka-based event-driven architecture.

Led modernization of wealth platforms into microservices, improving cross-system efficiency by 30% and increasing platform scalability.

Designed secure interoperability layers connecting legacy HDFS and HBase data environments with customer-facing platforms through REST APIs and Spring Integration. Mentored engineers and aligned QA and DevOps teams for timely delivery.

Designed scalable cloud-native enterprise architectures using SAPUI5 and Fiori components for frontend applications.

Integrated frontend experiences with secure SAP S/4HANA OData services and backend ABAP infrastructure.

Developed Service-Oriented Architecture middleware components for enterprise logistics integration.

Built Java database access layers using DAO patterns to streamline data processing and application integration.

Engineered core insurance business modules for claims, personal accounts, and contracts serving European business markets.

Used Java, Spring, and Hibernate ORM to build reliable enterprise insurance applications.

Developed rule-driven transactional algorithms for healthcare portals, wellness reward engines, and wealth management portfolios.

Worked with early Agile development frameworks to deliver complex business functionality across multiple domains.

Master of Computer Applications in Information Technology. The institution holds verified Anabin H+ status matching European higher education equivalence standards.