Heavy-Duty Cardboard Box Design Customization

I'm looking for a designer with significant experience in packaging design, particularly for cardboard materials. The main goal is to customize a cardboard box intended for the transportation of heavy items. The final design must ensure the box is sturdy, protective, and able to carry significant weight without collapsing or damaging the items.

Key Responsibilities:
- Design a cardboard box fit for heavy items transportation
- Consideration of weight distribution and structural integrity
- Creation of an attractive yet practical design

Ideal candidate:
- Experience with packaging design
- An understanding of material capabilities, specifically cardboard
- Knowledge in weight distribution in packaging design
- Great attention to detail
- Creative problem solver