I have been working as software developer since 1993.
C/C++/Java/J2EE/Hibernate/C#/.NET/ MVC/ActionScript/PHP/QuickBooks API/Shopify API/PayPal, Crystal Reports, MySQL, PostgreSQL, MS SQL, Oracle, Informix
I have developed for lots of APIs:
Ariba, Four51, Proforma, Coupa, osCommerce, ZenCart,..
FedEx, UPS, USPS, DHL, Endicia,..
Amazon, Sears, Walmart, ZenCart, eBay, …
QuickBooks Online/Desktop, FreshBooks, ShopiFy, MyOB, PayPal,..
I can provide references from US, Canada, Australia and Israel companies