Buddypress Plugin

Hello Everyone, We are developing social Networking website using Buddypress and Wordpress MU . We have got almost all plugins but we are unable to find Tweet plugin for buddypress . We want a buddypress coder to develop us a Tweet plugin for us . It would be something like what Facebook have. The coder have sign an NDA with us. We will be using the same coder to create more Buddypress plugins for us , if this one went sucessfully. We will prefer someone who has experience in doing this kind of work and someone who has good rating on RAC. Happy Bidding