Laravel ERP Corrections and Enhancements Ultimate POS ERP SAAS

I need an experienced Laravel developer to fix issues in the Ultimate POS ERP from Codecanyon.net and enhance its functionality. https://codecanyon.net/item/ultimate-pos-stock-management-point-of-sale-application/21216332
https://codecanyon.net/item/saas-superadmin-module-for-ultimatepos-advance/22394431

Key tasks include:

Correcting modules:
- Invoicing and billing
- Inventory management
- Sales and customer management

Addressing bugs:
- User authentication problems
- Data synchronization errors
- Report generation issues

Adding features:
- Custom reports
- Third-party integrations
- Multi-currency support

Ideal skills and experience:
- Strong proficiency in Laravel
- Experience with ERP systems
- Problem-solving and debugging skills
- Ability to implement new features and integrations

Please provide samples of similar work done.