Hello Sir,
we have checked your job detail and from that we can do this. As you want to make E-Commerce application, so do you have any e-commerce technology to used?
Like Magento which is php framework for the e-commerce functionality.
User can also make order for the product and also can add the product to the cart. And make the checkout if they want anytime.
And make one full order in perfect manner. And for your information we have aleady developed such kind of application combining the magento [ magento database ] with mobile application in Android and iPhone.
So please let us know your detail so we can move further.
We are waiting for your reply.
Thanks,
Sam