build python automation tool with selenium

I need someone who can build a script or tool, which can do one click post to all the social media platform with python selenium(grid), like posting copywriting, pictures, and videos etc, in order to promote my own service, you can use existing script, basically it is an aggregation of all different links and logins, you can make it python script with login to authorize to use the tool.
you need to be an expert of:
python
selenium grid
database
authentication
script