Wai Sum Cheng

Enhanced and maintained enterprise ERP suite with C#.NET and VB.NET, prioritising scalability and high availability for global users.

• Served as technical lead for migration of financial messaging from legacy EDI formats to ISO 20022, ensuring global interoperability and compliance.
• Paperless Transformation: Spearheaded the shift to a paperless environment by developing a Box API integration for the core ERP. Engineered automated file categorisation and SQL indexing, eliminating physical document dependencies across the organisation.
• Workflow Digitisation: Architected an end-to-end digital approval flow, streamlining the path from user request to management authorisation and reducing internal processing time.
• Led modern software integrations and digital efficiency projects in a remote UK-based role.

Architected and deployed secure automation and payment systems for the APAC market.

• Host-to-Host (H2H) Payments: Engineered a secure automated payment ecosystem using PGP encryption and SFTP. Built a service for MT940 bank statement reconciliation, reducing manual treasury tasks by 30%.
• RPA Implementation: Developed automated data extraction solution for scanned PDFs (PDF to XML), achieving >90% accuracy and reducing manual data entry by 80%.
• International System Deployment: Directed migration of legacy VB systems to VB.NET, deploying framework across Singapore, China, Hong Kong, Thailand, Indonesia, and Malaysia.
• EDI Integration: Managed full lifecycle of EDI implementations for global clients, acting as technical liaison for bank-side coordination and overseeing multi-country UAT.