I'll do the job if it's really that simple as your description. It takes about 1 day. Even less actually, but let it be 1 day.
Relevant Skills and Experience
I write python backend for living for about 4.5 years. I work with Flask, Django, etc.
Proposed Milestones
$24 USD - Job done.
Additional Services Offered
$8 USD - Any python development for $8 an hour.
Do you already have some project to implement this functionality or it'll be the new project?