Build an application in ArcGIS that automates the process of uploading an Excel file, integrating it with user provided data, and then creating a mapping visualization

I am looking for a skilled developer who can build an application in ArcGIS that automates the process of uploading an Excel file, integrating the user-provided data with an API and creating a mapping visualization that can be downloaded as a shapefile.

Purpose of Mapping Visualization:
- The main purpose of the mapping visualization is to create an easy to use drag and drop application that is automated for the user.

Database:
- The client already has a database where the Excel data would be uploaded.

Map Interface Customization:
- The client requires a highly customized map interface with unique features and design.

Ideal Skills and Experience:
- Proficiency in ArcGIS and experience in developing applications using it
- Strong knowledge of database management and integration
- Ability to create interactive and visually appealing map visualizations
- Experience in customizing map interfaces and adding unique features
- Attention to detail and ability to understand and integrate user-provided data
- Strong problem-solving skills and ability to provide advice when needed

If you have the necessary skills and experience, please submit your proposal for this project.