I cannot show most of my developer experience because the ownership of the code belongs to the company for which it was developed. I will only show the code and requirements I am allowed to. I will also show proof of my knowledge of some development tools.

• For my experience with web design tools (HTML, DHTML, Javascript, CSS, Dreamweaver, Photoshop), please visit my web design page which has several examples of Web pages designed by me.

• For my knowledge of SQL Server, please see this course created by me. Other databases mastered by me are Oracle, MySQL, PostgreSQL and Access.

• For my knowledge of Visual Basic .NET, please see this course that I have created.

• For my knowledge of n-tier programming with Visual Basic 6 and Access, please see this course created by me.

• For my knowledge of Java EE, please see two courses I have created: this course starts from scratch and this course is more advanced.

• 2006, Requirements document of SARA, a system to automate the management of complaints received by Defensoria del Consumidor (Consumer Protection Ministry in El Salvador) and the legal processes they produce.

• 2005. Requirements document of ESPACIO, a system to coordinate the different organisms devoted to Consumer Protection in El Salvador and design, manage and control globals plans which are spanned between several institutions.
• 2003. Requirements document of a Web application to allow electrical companies to buy electrical energy futures in the Central American energy futures market, delivered to Geotérmica Salvadoreña (geothermic electrical company).
• 2003, Requirements document of an application to automate the purchase processes in the supply department of Ingenio Chaparrastique company.
• 2001, Code of GIM, an energetic control application developed with n-tier architecture.
• 1998, Code of GESTION, a ERP-like system including accounting, banks, invoicing, payroll, payments, collections, etc.
• 1997, Code of Juzpaz, a basic application for managing administrative documents.