Strategic Development: Directed the lifecycle of End-user Applications (Python/VBA), transforming technical tools into scalable business solutions that enhanced operational efficiency. Project Governance: Orchestrated end-to-end system implementations and consultations, ensuring all deliverables aligned with business objectives while maintaining strict scope and budget control. Operational Resilience: Supervised mission-critical project milestones and spearheaded comprehensive Disaster Recovery (Backup/Restore) protocols, securing 100% data integrity under regulatory standards. Stakeholder Management: Served as the Lead Facilitator between business users and technical teams, specializing in Conflict Resolution and translating complex requirements into actionable technical roadmaps.

Project & System Migration Infrastructure Migration: Spearheaded the end-to-end migration of Option & Margin Management and ELI systems, orchestrating App, DB, and Server upgrades (MSSQL/Oracle/IIS) to ensure zero-downtime transitions. Cross-functional Synergy: Acted as a pivotal liaison collaborating with Business Users, Infrastructure (Server/Network/DB), and External Vendors to align technical specs with business logic. Project Governance: Accountable for delivering results on-time, within budget, and strictly conformant to scope, while overseeing comprehensive infrastructure planning and performance assessments. Regulatory & Security Compliance: Orchestrated the preparation of critical documentation to secure Security Team approvals for UAT and Production (PDN), ensuring TLS 1.2, Firewall, and MQ Service standards were met. Technical Ecosystem: Managed complex environments including Cluster DBs, WAS, Restful APIs, and Virtual Machines (VM) within a Change Control framework.

Technical Collaboration & UI Development Directed front-end engineering using React/Ant-Design to build scalable Web Forms. Liaised with BAs and designers to translate UX wireframes into technical specs. Streamlined environment setups, ensuring seamless integration between design intent and functional delivery within Agile cycles.

Full-Cycle Backend & User Liaison Developed Java-based banking cheque systems including settlement and "typhoon mode" logic. Mastered backend API integration and automated JasperReports for business users. Evolved through direct user consultation and cross-tech collaboration, transitioning from technical execution to requirement-driven development.

Infrastructure & Framework Foundations Engineered J2EE/EJB framework modules and managed Apache/JBoss server deployments. Optimized development environments and platform support for enterprise-scale web applications. Established technical mastery in backend architecture, providing the foundational expertise required for complex system oversight and technical project

Payment Integration & Partner Liaison Integrated global gateways (VISA/Octopus/Alipay) with smart POS systems. Orchestrated technical alignments with banks and financial institutions, ensuring protocol compliance and seamless cross-border payment operations through expert external stakeholder management.