Cupón Club, San Salvador, El Salvador

Reduced the page size by more than 4x by optimizing images and implementing image lazy loading on the home page.

Migrated website to a more powerful server.

Built “Recently viewed” algorithm to show personalized deals on the home page and increase sales.

Upgraded jQuery core and plugins from a legacy/deprecated to the latest version.

Created a riding carousel to display product photos and thumbnails using the jQuery plugin jCarousel.

Upgraded the Android mobile app to make it compatible with the latest Android versions, integrating the upgrade of the latest development libraries such as Urban Airship SDK for push notifications, Google Play Services SDK, and migrating the development environment from Eclipse ADT plugin to Android Studio.

Redesigned the mobile version of the website using responsive design with the Bootstrap framework.

Escuela Superior de Economía y Negocios (School of Economics and Business), La Libertad, El Salvador

Taught Introduction to Databases, Excel VBA and Programming I courses in the Department of Engineering.

Built an online classroom booking system.

Administered open-source databases used for web applications, supporting and upgrading existing web systems.

Kodak Alaris, Rochester, NY

Designed OLAP cubes for business intelligence, analytics, and reporting applications.

Created ETL processes, multidimensional databases, and cubes for OLAP analysis and data mining.

Developed and fixed Oracle PL/SQL scripts used to populate, data mine and generate production, service, and business reports for Remote Business Management products.

Stream Global Services, San Salvador, El Salvador

Provided Internet technical support for Bell Canada customers.

Premper Web Agency, San Salvador, El Salvador

Programmed self-managed websites integrated with Content Management Systems.