I Have personally worked on lots of commerical projects involving : Secured web development: Setting up shopping carts, Showcasing Products, Managing Payments, Creating Modules for payments, Site layout, Site CMS Development Database design and administration: Normalising the site database, monitoring the ongoing activities within the database, Maintaining the database structure, Archiving older entries, Managing Backups and restores Hardware interfacing: Interfacing Mobile Phones, Memory Card Reader Writers, Credit Card reader writers with the computer Graphical User Interfaces and Design: User interface design for the websites and application softwares Compilers Integrating Verilog VHDL compiler with an application softwares to be ported on Embedded Devices