social media post backend -- 3

I need someone who can build a backend, which can do one click post to some of the social media platform, like posting copywriting, pictures, and videos etc, in order to promote my own service, you can use existing API wrapper, basically it is an aggregation of all different types of apis,
you need to be an expert of:
javascript, typescript
python
social media sdk/api
backend
MERN
DJANGO
FASTAPI