Sales & Metrics Dashboard - Development

I need an expert in Kintone to build a comprehensive sales metrics dashboard. Currently, these metrics are scattered across multiple Excel spreadsheets.

Key requirements include:
- Dashboard metrics: Total Sales, Sales Growth, Projected Earnings, Commission Management.
- Possible Kintone administration of data: Customer Information, Sales Transactions.

Ideal skills and experience:
- Proficiency in Kintone.
- Experience with sales metrics and dashboards.
- Strong data migration skills from Excel to Kintone.
- Ability to customize Kintone to meet specific business needs.

Please share your relevant experience and approach.