Social Media Expert (Pinterest, Instagram, etc)

We are looking for a Full Time Social Media Poster. You would be posting things on instagram, facebook, pinterest, twitter, you name it. This is for someone with lots of experience on them and doesn't need much guidance.
You can either post your own images/graphics or corrdinate with the graphics design team to have them design something and then you post it.
Need to be up to date with all the new Instagram stuff (interactive). We are not!

This is a full time position.
Please show example profiles you have managed (facebook, pinterest, instagram).
Must be perfectly fluent in English