Sales Data Input Workflow

I'm looking for a developer to create a desktop application on Windows that allows users to input sales data via a form. This application should also automatically update the corresponding inventory data in a spreadsheet.

Key Requirements:
- The application must be built using Python.
- The form should be user-friendly and accessible on a Windows desktop.
- Inventory data, present in a spreadsheet, should be updated in real-time as sales data is entered.
- The solution should be efficient and reliable, ensuring data integrity.

Ideal Skills and Experience:
- Proficiency in Python, particularly for desktop application development.
- Experience with spreadsheet manipulation and data integration.
- Strong understanding of Windows application interfaces.
- Problem-solving skills and attention to detail.

Please provide samples of similar work done. Looking forward to your bids!