MTN Mobile Money & Kola Kash Integration

I'm in need of a seasoned developer who can integrate MTN Mobile Money and Kola Kash payment APIs into both my Music Mobile App and Website. Key Details: - Platforms: Both the Mobile App (built on Xamarin Android Native) and the Website (developed in PHP). - Payment Systems: MTN Mobile Money and Kola Kash. - Purpose: The integration is for a Music Mobile App and its corresponding Website. Ideal Skills and Experience: - Expertise in Xamarin for mobile development. - Proficient in PHP for website development. - Previous experience integrating MTN Mobile Money and Kola Kash APIs. - Strong understanding of payment system integrations in mobile and web platforms.