Upgrade wordpress social media autoposter plugin with G+,pinterest, Linked in funtionality

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I have a plugin already that autopost to twitter and facebook and wordpress. The plugin already allows you to create auto posting campaigns

I want the plugin to do the following

1. I would like the upgrade version of it to be able to save the campaign so that i can repost that campaign again ie... let say i set up a 30 day campaign of posts I would like be able to run that campaign again without having to go thru and find all of the content all over again... so i need some kind of campaign save features and then some options to run it again

2. Add Google+ , Pinterest, and LinkedIn auto posting Functionality

3. Google+ (with third party API library) - Autopost to your profile or business page. Ability to make "Image" posts.

4. LinkedIn - Autopost to your account. Ability to attach your blogpost to LinkedIn post. Autopost to LinkedIn Company pages and/or Groups (with third party API library)

5. Pinterest (with third party API library) - Auto-Pin images to your Pinterest board.

Skills required:
Google Plus, PHP, Pinterest, Software Architecture, Wordpress
About the employer:
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