Global Ports Tableau Dashboard

I need an experienced Tableau developer to create a comprehensive dashboard for monitoring global ports.

Dashboard Requirements:
- Visualize monthly sales trends.
- Display cargo movement data:
- Import/export volumes
- Port congestion levels
- Shipment tracking

Ideal Skills and Experience:
- Proficiency in Tableau
- Strong data visualization skills
- Experience with sales and logistics data
- Ability to create interactive and user-friendly dashboards

Please include samples of previous Tableau work.