B2B Pesticide Purchase App

I'm looking for a skilled developer to create a B2B pesticide purchasing app for both iOS and Android, alongside a website. This platform will cater to shop owners who need to buy pesticides.

Core Features:
- Product catalog
- Shopping cart
- Order tracking
- CIBIL check (credit-based transactions)
- UPI transactions

User Interactions:
- User registration and login

User Roles:
- Admin
- Shop owner
- Multiple other roles as needed

Ideal Skills & Experience:
- Experience in developing B2B apps
- Proficient in both iOS and Android development
- Strong background in e-commerce platforms
- Knowledge of integrating UPI and CIBIL check functionalities
- Ability to set up multi-role user access

Please include examples of similar work in your bids.