Power BI Sales Analysis Dashboard

I'm looking for an experienced Power BI developer to create a comprehensive sales analysis report.

Requirements:
- Data Sources: Excel files and SQL databases.
- Primary Focus: Sales analysis
- Key Metrics: Sales volume

Ideal Skills and Experience:
- Proficiency in Power BI
- Experience with Excel and SQL data integration
- Strong analytical skills, especially in sales metrics
- Ability to create interactive and visually appealing dashboards

Please provide samples of previous work and a brief outline of your approach.