Backend dev needed for code is to validate token generation from users who purchases token to offer service, the code will be likeso code will be work like this => Check balance if ( ok ) then Generate token and cut balance else

I am looking for a backend developer to create code that will validate token generation from users who purchase tokens to offer a service. The code will work like this: check balance, if balance is okay, then generate token and cut balance. The code used is php ci

Ideal Skills and Experience:
- Strong experience in PHP development