Scaling KYC/AML with Multiple Jurisdictions: Best Practices?

We're a small fintech operating in a few European markets, mostly handling micro-transactions for a specific niche. As we look to expand into LatAm, the sheer volume of varying KYC/AML requirements across countries, let alone the ongoing monitoring for potential red flags like unusual transaction patterns or source of funds, feels daunting. For those who've successfully scaled their operations across multiple, diverse regulatory landscapes, especially regarding the 'long tail' of less common currencies and jurisdictions, what are some of the key lessons learned or best practices you'd recommend for keeping compliance efficient without suffocating growth? Specifically interested in how you manage the operational burden of bespoke regulations vs. leveraging more standardized solutions.