- Translates business specifications into working, tested enhancements to existing applications. These including developing program overview specifications, writing and generating code, compiling data-driven programs, and conducting unit tests. - Modifications, enhancement, debugged and troubleshooted existing system and correct errors as required for clients. Also, maintain existing company website. Basic coding involves VB6, VB.Net, C#, ASP.Net, ASP, Windows Service, SQL Server, Oracle, QuickBooks Intuit Interchange Format (IIF) Import, Nullsoft Scriptable Install System (NSIS), Crystal Reports and also involves ATM Device, IP Camera, Electronic Scale, Signature, Fingerprint and Personal Identification Scanner Device.- Designed and developed mobile application for android to integrate the existing system using WCF Web Service, MS SQL Server, T-SQL, SQLite, C#, Xamarin Form PCL in Visual Studio 2015.- Collaborated with other developers, designers, analysts and stakeholders to ensure successful implementations; actively participate in all phases of the development lifecycle; Analyze and convert business and system requirements into detailed system design and technical specifications.- Involving in testing the data integration, system integration, and business workflow and release process.- Assist customer support in providing customers with a technical solution.

- Manage all phases of graphic user interface design projects for a wide range of clients requiring, interactive information site. Assess client needs and develop specifications, plan and implement projects from initial conceptual design through coding, final delivery, and client approval.- Direct conceptual, strategic, and tactical creation of robust, integrated GUI Web site and Web application solutions using HTML, ASP.NET, C#, JavaScript, and MySQL.- Manage multiple simultaneous projects, successfully meeting all budgets and timeframes. The project conceptual stages to delivery in 3 months.- Design and optimize original site graphics and navigational elements that have been formally praised by clients for accurately reflecting, marketing messages while clearly and logically guiding site users.

- Designed the sophisticated Real Time Stock Trading System in parallel programming for the NYSE Stock Market to reduce the trading loss successfully by 10%.- Coded, debugged and troubleshooted for the Real Time Stock Trading System to shorten the calculation time.- Consulted with Portfolio Manager and his staff and designed financial and trading tool using VB6, VB.Net, C#, Multithreading, SQL Server, MS Access, VBA via MS Excel spreadsheets, and Crystal Reports.- Developed program design guidelines and specifications for team in China. - Tested the programs to ensure it meet the administrative requirements.- Analyzed trading data to developed analysis report and new strategies for improve existing program or plan for new trading program method.- Performed technical support for the software, hardware and network systems to immediate resolve problem on site.

- Tested and repaired computers for customers. - Provided technical support to sales team and customers in selecting microcomputers. - Assisted customers with technical problems and issues. - Performed technical support for the software, hardware and network systems to immediate resolve problem on site.

- Calibrated, tested and performed troubleshooting from electronics equipments level down to component level to immediate resolve problems.- Supported R&D engineers in transferring circuit and layout designs to manufacturing department, initialized the production line and ensured smooth transaction in production line.- Successfully improved the functionality and correlation of the memory tester by executing logical patterns and sorting out large quantity of mixed memory devices.- Utilized and combined dead bits OEM memory devices to assemble the standard memory modules to make the production cost lower.- Increased the yield of the boards by repairing faulty circuit boards.- Used the oscilloscope to display timing issues of difference type of memory devices.