eCommerce B2B and B2C

My client is looking for an eCom project (B2B and B2C). Some important features:
- User friendly interface and experience
- Payment Integration
- CMS
- Search Engine Optimization
- Secured
- Shipping and Returns
- product page with details
- Social Sites integration
- Mobility/ Responsive
- Dashboard
Note: Separate app to be built for Android and iOS.

Interested parties please apply ONLY if you have relevant experience and innovative approach.