Immediate Building of Social CRM Ruby on Rails ,Angular Expert

We are seeking to build a multitenant social crm with Ruby on rails as the server side and angular language on the front end and mysql on the backend Salesforce [login to view URL] developer experience will be a major plus Data Modeling and building Entity relation diagram will be major plus We may use Heroku as PAAS or Amazon Web Services You must demonstrate a project that you have build a social CRM in the past you must understand and build a social crm on metadata concepts and multi tenant concept together you must demonstrate proficient skill on building a metadata driven along with multi tenant Your Social CRM experience must be able to handle the below concepts MetaData Driven Kernel Database tables , relationships , UI elements Operations such as SOQL SOSL Multi Tenant Indexes Multitenant standard common metadata layer Multi Tenant Custom Tenant Layer Tenant or Customer specific Metadata Layer Polygot Persitence Technology Persistence Technology would include In memory data and metadata caching Transaction engine Full Text, multilingual search engine Queues Pivot Tables Multi Tenant Meta Data Multi Tenant Fields Multi Tenant Data Multi Tenant for Cobs or Blob storage large text storage Structure of Universal Data Dictionary A clear understanding and description and graphical representation of the below elements Multitenant Metadata Multitenant Data Multitenant Indexes Multi Tenant Relationships Multitenant Field History Partitioning of Metadata, Data, and Index Data APIs Query Languages Multitenant Processing Multi Tenant Query Processing Multitenant Search Processing Multi Tenant Bulk Operations Multitenant Schema Modifications Multi Tenant Isolation and Protection Deletes, Undeletes, and the Recycle Bin