I have expertise in drupal web development, eCommerce/Shopping Carts, Online Marketplace. I have expert knowledge of these domains and I can guide you to follow the standards. I have worked on ubercart, drupal commerce,commerce kickstart.I have developed a lot of drupal websites..Few are my developed websites : - 1. www.dev-rosmini.gotpantheon.com 2. www.fixonaut.com 3. www.fawni.com 4. www.entryindia.com 5. www.laborgator.com 6.dev.mdsandbox.com 7.www.dev-lavana.gotpantheon.com 8.www.dev-meraghar.gotpantheon.com and many more...