Dynamic Movers and Packers Site

Looking to build a dynamic site of movers and packers, it wont be a normal site like any other movers and packers. This site would give a medium to the Customers to select all the articles online like TV, Washing Machine, beds and any other articles that it could be. Once it is selected, the quote can be submitted. Customer submitted quote will be shown on the Home screen as a quote waiting for a BID by the transporters. Once the quote is submitted, this will reach to all the transporters registered with us and they can submit their amount against the quote. So its a kind of portal where customers and transporters can reach to each other . Site should be capable to display well on both Mobile and Desktop/Laptop. And mobile app would be required for transporters. I am expecting roughly 20 - 25 flows with 20% variations and there would be roughly 40-50 screens. Main Components would be:- Customers Transporters Admin Call Center Support Payment / Invoicing Skills Required:- UI - Bootstrap, HTML5, Angular JS Middle Layer - Java, Enterprise Java, Spring, Serverless Architecture. Database - should be Open Source - MySql/ Mongo DB (preferable) This site should cater the following needs:- - Strong Architecture - Scaleable - Security