Hi,
Read your requirement, I have 8 years experience in Web development & have various programing language expertise like Ionic 3, Node.js, Angular 2, Asp.net, Salesforce, Php. I have done more than 100 enterprise projects. I'm pretty sure I can deliver this( Like you describe ) within time frame at a reasonable cost, I'm looking forward. I can start now. Let us discuss scope in details.