Interested in building a hybrid application and fullstack management site in react and python

Hi everyone, I’m interested in building an app for scheduling appointments for businesses like gym, hairdresser, nail building etc.
Any business that works part-time and needs business diary management and partner management of clients, schedules, subscriptions, financial.
I am interested in using advanced languages ​​like react and python.
A business that works hourly from various fields, preference for developers who have made such systems and with experience in the languages ​​I mentioned (React, python, hybrid app, fullstack)