Simple Game Top-Up Site

I'm looking for a developer to create a straightforward game top-up website.

Key Features:
- Admin and customer accounts
- Admin functionalities: manage conversions, view transaction history, user management, and all necessary admin features for a top-up website
- Customer features: view balance and transaction history, top up their account, receive notifications, and additional functionalities

Technical Requirements:
- Game provider: Vip-reseller
- Payment method: byl.mn
- Currency conversion from IDR to MNT, with admin input for convert ratio

Ideal Skills and Experience:
- Web development expertise
- Experience with payment integration
- Familiarity with currency conversion and admin management tools
- Ability to create user-friendly interfaces for both admins and customers

Please provide samples of previous work.