I have a team of dev's that work exclusively in meteor on mongo. Having a look at the app, I see you're using fastrender (good) and the structure looks good.
The app looks well architected and formed, would be interested to see what else your after, as I expect it would be rather small looking at the maturity of the app.
Let me know what your after specifically, and I could not put in a bid less than $8, our normal rate for work at this level is $6.50 and hour.
Let me know your thoughts.
Regards,
Shaun