Basically all you have to do - is to receive parcels and open them . Parcels contain gift cards with codes. You will have to scratch the code from gift card and enter it in txt. Also you should make photos of cards. (Gonna explain how to do).
That job won't take a lot of time. (maybe 1-2 hours per day). That's an "extra" job.
Searching only for people located in USA !!!