CHAT Application Issue Fixing and additional features written in Python and Tornado

CHAT Application Issue Fixing and additional features written in Python and Tornado. I have role based chat application which is written in Python using Tornado Framework. Other Technologies used are - 1. PostgreSQL 2. Nginx Requirement are as follows - (Something like GoogleTalk ). We already have 80% code in place; remaining 20% efforts are required. 1. Fix existing issues 2. Enhancement/New feature Addition to Chat Application. 3. Scalable and Availability. Please bid only if you could finish to take up the job as I would like to finish on this project ASAP.