Customized Accounting and Inventory App

I'm looking to develop a mobile app on Android tailored for my marble and granite retail business. The app should seamlessly integrate accounting and inventory management.

Key Features:

Accounting Module:
- Expense tracking
- Invoicing
- Bank reconciliation
- Item-wise inventory control
- Quotation generation
- Sell & purchase data
- Payment details
- Payment due alarms

Inventory Module:
- Item-wise inventory control
- Quotation generation
- Sell & purchase data
- Auto update of inventory totals based on sales and purchases

workmen salary and other expenses

Ideal Skills and Experience:
- Mobile app development for Android
- Experience in building accounting and inventory management systems
- Strong UI/UX design skills
- Knowledge of database management
- Ability to integrate payment gateways

Please include examples of similar work in your bid.