Minimalist Game Voucher Website Development

I'm looking for a developer to create a minimalist website similar to gamejus.com, tailored for my country's payment methods.

Key Features:
- Payment Integration: Online transfer (all Malaysia banks), QR payment, Touch 'n Go.
- User Account Management: Easy navigation and responsive design are crucial.
- Transaction Emails: Customers receive email confirmations after successful payments.
- E-Pins/Vouchers Dispensing: Using API keys, deliver game e-pins, vouchers, or currency post-transaction.

Ideal Skills:
- Web development expertise, especially in minimalist design
- Experience with payment gateway integration
- Familiarity with API integration and database management
- Strong focus on UX/UI for seamless user experience

Please ensure to include a portfolio with similar projects.