A multivendor site similar to freelancer and Fiverr

I need someone to make a site similar to Freelancer.com where a homeowner can post a job for local tradesmen on a required category to bid on, stating their budget, requirement, upload files, etc. After creating the job, email and sms will be automatically sent to tradesmen in that subcategory to bid and discuss with the [login to view URL] will be able to chat on real time. The home will review the tradesmen profile comprising of portfolio, reviews, qualifications, skills, insurance, etc. After the homeowner will awarded the job to selected tradesman, create milestones [login to view URL] take commission when the project is awarded. If the homeowners did not to create job, they can search on the directory of registered tradesmen based on postcode and trade category. The search will show number of local tradespeople who registered in this area of postcode. The profile will be showing ratings, portfolios, just like freelancer and opportunity for buyer to send offer with budget. The seller will see and be informed of the milestone and start working on the project, after completion of the project the money will be released to the seller and the buy will leave [login to view URL] milestone will have disabling and enabling function. There will be seller and buyer profile. The buyer will be able to deposit funds to his account, the seller will be able to withdraw funds. Both profiles will of course comes with dashboards where both will be able to see different activities. The site will also have categories under which seller can list his offering. There will be a credit subscription system where the seller can buy credit on different package which they need to bid on job post as well as responding to homeowner [login to view URL] feature can be turn on and off. The site will come with logo Since I don't know how the site works. I need at least 6 months support from the freelancer. The site must be responsive, SEO friendly that includes meta description and title. Google mobility approved. It must come with email The site will include blog page The traders will have the option to import their profiles especially reviews from other sites. There will be a section where I can add header, body and footer code for Google verification of the site I will be able to import and export users I will be able to edit and pages The site must have footer where information like about us, homeowner and tradesmen will be written. Build by node.js I have some sites that the freelancer will reference from. Subscription feature. There should be 3 options: Free Membership :Commission fee when project is awarded.1 free bids per month,Email notification Paid membership silver:10 bids per [login to view URL] notification Commission fee when project is awarded Paid membership Gold :Unlimited bid per month, Sms notification,Email notification Commission fee when project is awarded.