Design & Develop an simple B2B ordering system in ASP.NET (HTML5 UI designs + development)

#We are Looking to design(UI/UX) & develop an simple b2b ordering system in ASP.NET
*Simple e-store portal with a product catalogue, category, category filter and CMS pages
*Creation & update of products using form & Excel upload
*Multi-level category & tags
*Basic inventory functionality ( just stock on hand update at product level, no Purchase order or transfer module )
*Modern & responsive design : mobile & desktop
*Fast response time
*one click checkout functionality
*no payment functionality. Just order request

We want to use Oracle database for this project

#Technology
1) ASP.NET
2) Oracle database
3) HTML + bootstrap