Song duplicate detection with Echoprint and audio file uploader

We are looking for a Echoprint based solution with the following specs: - get user information from existing API (registration will happen on another platform). - upload audio files to user account - upload metadata for audio files (eg Soundcloud) - create audio fingerprints of audio files with Echoprint - check song for duplicates by metadata locally and through [login to view URL] - check song for duplicates through audio fingerprints in local database and in complete Echoprint database through API - if duplicate exists then make a post to API of Admin, and put song into temporary cache. send email to uploader that upload will be reviewed. - create review page for admin of temporary cache, with functions (accept, pause or deny) per track or purge for all tracks. - accepted tracks are added to the database - create summary of activities for admin You need to develop some basic API calls using post and get (max 15). project leadtime max 3 weeks English speaking and writing required Need good communication skills and Skype Functional design submitted by developer in advance of development stage (25% of fee will be release) After development phase an additional 50% will be released. After testing the last 25% will be released. Every stage will be paid in advance to freelancer.com NO CASH ADVANCES!