Python Based Offline POS One Page Application

I am looking for a Python developer to create an offline POS application with the following features:

- Sales tracking and reporting: The application should be able to track and report sales data for analysis and decision-making purposes.

The client has some ideas for the design and layout of the application but is open to suggestions.

The application should be cross-platform, compatible with both Windows and MacOS operating systems.

Ideal skills and experience for this job include:

- Strong proficiency in Python programming language
- Experience in developing offline applications
- Knowledge of inventory management systems

We have online API service from the python you need push the data to our server API regular based on the internet connection

If you are a Python developer with the above skills and experience, please submit your proposal for this project.