Create a Custom / Configure ERPNext CRM with APIs for a E-commerce Company - Highly professional - NDA to be Signed

I am looking for a highly professional individual to create a custom or configure an ERPNext CRM for my e-commerce company. As this project is sensitive, an NDA and IP Agreement must be signed before work begins.

CRM System:
- We have never used a CRM system before.

Specific Features:
- A simple diagram is attached. Need attributes to match with channels and shipping using APIs. Need complete end-to-end configurations on ERPNext/create new CRM.

Customization:
- Advanced customizations are required for the CRM.

Skills and Experience:
- Proven experience in creating or configuring ERPNext CRM systems.
- Strong understanding of configuring features within CRMs.
- Ability to handle advanced customizations within the CRM.

Please type 'CSTOM' on above the proposal to check your porposales. Others willl be rejected. We don't need span replies.