Asiaplus Securities is one of the securities brokerage companies in Thailand, the company has gained increasing trust and credibility from investors and moved forward to becoming one of the leading securities companies in Thailand.Working in the Back End Team, we build scalable and reliable systems and APIs that host our core business logic. Our systems cover all major areas of our business: Customer Management, Security Operation, End of day process, client & Regulatory reporting, Billing and Taxation, Trading confirmation, and more.• Built the scalable and reliable systems and APIs that host our core business logic.• Enhanced and upgraded old projects for getting new functions and improved stability.• Integrated our systems with Stock Exchange of Thailand’s services, Fix Engine Protocol and APIs (Clearing House, Depository, E-Stamp and NDID) • Applied SFTP to structure by using WinSCP and make the system's transferring data processes more secure.• Converted Visual Basic 6 to .Net Framework application, upgrading new technology and new features for development.• Designed and built reports using Crystal Reports to guide decision-making, monitoring, and to allow users to investigate and solve any identified issues.• Wrote testing documents for User Acceptance and QA testing processes to ensure high-quality deliverables.• Provided technical support.