Hello,
I've read your project description and I want to tell you that I can build a marketplace similar to [login to view URL] as per your requirements with mobile responsive design on Ruby on Rails platform. Lets have a quick chat to discuss this project.
We have extensive experience in Designing Websites, Building Portals, Mobile Application Development, Developing Complex Web Applications in all major platforms.
We have worked with several top companies and brands. If you want, I can share our portfolio with you as well.
Thanks,
Faizan