Financial Dashboard Redesign with Excel Integration

I'm looking for an experienced developer to modify my financial performance dashboard, which is built in HTML and currently loads data from Excel.

Key Modifications Needed:
- Change layout/design elements
- Add new data visualizations (specifically bar charts)
- Update existing data

Specific Areas for Changes:
- Charts/Tables: Redesign and update
- Navigation/Menu: Improve for better usability

Ideal Skills and Experience:
- Proficiency in HTML
- Strong data visualization skills, especially with bar charts
- Experience in dashboard development and modification
- Familiarity with Excel data integration

Please provide samples of similar work done.