Flutter laravel full stack developer for customization -- 2

Its a multivendor food delivery system. In current system when customer place an order it will show in admin and vendor module with notification Vendor can accept the order. When Vendor accept the order it will update on customer, delivery boys and admin module with notification Any Delivery boys can accept the order or Admin can assign the delivery boy If admin assign the delivery boy it will update on customer and delivery module with notification If Delivery boy accept the order it will update on customer and admin module with notification Customisation is 1, Cooking time Vendor need to add a cooking time before accept order. This cooking time need to show in admin module and assigned delivery boy module. Delivery boy can update the delivery time and this will show in customer module and admin module with notification. Vendor module also needs to update the cooking time this will also show in customer module delivery and admin module with notification. [login to view URL] option in customer app In customer app need to show a selectable tip option like 1%,5%,10%,20%,30%,40%,50%,100% This is the percentage of food value this needs to add in total bill under the name of tip amount. This need to reflect at delivery boy account [login to view URL] admin 12345678 user app [login to view URL] vendor app [login to view URL] delivery boy app [login to view URL] register and try