I have 3.5 year of experience in PHP & MYSQL & I am also working for a canadian company from home(India) too.I am also very familiar with shopping carts & payment gateways especially paypal,paysystems,stormpay [login to view URL] & worldpay.
Some works I have did
Daily Backup Site/SQL Script
Directory/Business Listing Script ,Credit Card lisitng
BackUp/Restore SQL Script
Vbulletin/PHPBB Forums Management
ASM Script management
Soccer Scoreboard
Metric Calculators
IP tools management
Time zone- World Clock
Games rating
Slide show management
There is many sites which I can show as a reference in PMB...