ERPNext Sales Module Customization

I'm seeking an experienced ERPNext developer to customize the Sales module according to my requirements.

Key Customization Areas:
- Main page redesign for improved usability
- User right account configuration
- Chart of accounts adjustments
- Additional customizations as needed

Ideal Skills and Experience:
- Proficiency in ERPNext, especially the Sales module
- Strong background in UI/UX design for ERP systems
- Experience with user permissions and account configurations
- Familiarity with accounting principles and chart of accounts

Please provide a detailed project proposal with your application.