A specialist in software development, project management and software quality assurance, He has built SMS Gateway & API integrating with Thailand Telco (AIS, DTAC & Truemove), ERP (enterprise resource planning), LMS (Learning Management), CIT (cash-intransit),CRM(Customer Relationship Management),MLM(Multi Level Marketing),SF(Sales Forecast), real estate systems, customize business application, etc..., in addition to possess in-dept knowledge in web-based solutions as well as windows-based applications. Paul also has a solid foundation in various programming languages and has mastered most of the methodologies and concepts of programming techniques.