Greetings, I have read your all requirements, I assure you for the best quality development for a 100% responsive E-commerce website from scratch to finish project with proper features and functionality based as per your requirements, I'm an expert Web Developer having depth expertise in PHP,Javascript & HTML. So, I can definitely develop website as per your needs with all required features & functionalities.
Some of the eye catching Ecommerce Websites I built,
Portfolio: https://www.freelancer.com/u/linuxfreak1985?w=f
Please contact me to discuss on it.
Warm regards,
Ghulam Yaseen