Android Chat App Development - repost

Avg Bid (SGD)
Project Budget (SGD)
$3000 - $5000

Project Description:
Required to develop Android based real time chat application for phone and tablet, including backend.

App features:
- user authentication
- user registration will be handled via back end (manual registration)
- user profile with pictures
- user wall (like Facebook)
- user search
- user friend and group invite, with option to accept and reject
- user photo gallery
- adding of friend via QR code scanning
- listing of friends
- viewing of others profile and pictures
- commenting on friend's wall
- user groups / social circle
- group page with picture
- text based real time messaging (like whatsapp) with emoticons, picture attachment, stickers and audio clip attachment
- real time voice conference room with multiple users, able to reject user, turn based (requires request to speak from initiator)
- 1 to 1 video conference like FaceTime
- supports localisation in Chinese language

Backend features:
- back end to utilise open source as much as possible
- to support deployment on cloud services e.g. AWS, Azure and Appfog
- audio and video preferably to use SIP, but please feel free to recommend alternative (MUST be proven to support China users)
- administrative user authentication and management (for administration only)
- app user manual registration by administrators
- app user management by administrators
- to include installation package

Important Note: candidates to propose back end that can support operation in China

Skills required:
Android, Asterisk PBX, Mobile Phone, node.js, VoIP
About the employer:
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