Let’s say you are the lead backend developer of an exciting new project and your first task is to kick off the project structure and develop few endpoints to support frontend development.

You are given:

An image representing the wireframe to implement (https://bit.ly/2S2AB9L) Two datasets, postal_codes.csv and paystats.csv.

• postal_codes.csv contains Madrid’s postal codes with their respective WKB geometry.

• paystats.csv contains credit card payment stats for Madrid postal codes.

Each row contains the total paid amount by an specific age and gender population group happened in a certain postal code in a certain month.