website builder/designer/programmer

Hi there, I am looking to build a realestate website where agents can upload properties onto it. There are other companies like realestateview.com.au and homeley.com.au and realestate.com.au to name a few. I would like them to have similar functions.

I am looking for people that can work in a team or that have a team and can help build a site very fast and efficiently and it will most likely be cloud based.

Please let me know your experience and how you think your skills can help build something like this. I ma not sure the exact skills required, jump on the websites i have provided and look at what would be needed and let me know what skills would do what.