I'm looking for someone with a lot of experience.
You want to create a valid IBAN / BIC algorithm for many countries (most important is germany)
Prerequisite: The IBANs must be accepted 100% by various services.
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Always new unique IBANS have to be generated.
Nobody should get a double iban.
the algorithm should be used for a website (php / bootstrap ) you have to put it in there. or develop a page.
Only report if it seems possible to you.