As a US citizen you are required to report your worldwide income on a tax return.
You report your Foreign Earned Income on Form 2555 which is included in the TurboTax online editions of Deluxe or higher.
You would need a US credit card with a US billing address to pay for the TurboTax online account fees.
See this TurboTax support FAQ - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/pay-turbotax-fees...
See this TurboTax support FAQ for reporting your foreign earned income - https://ttlc.intuit.com/turbotax-support/en-us/help-article/foreign-income/need-report-foreign-incom...
See this TurboTax article for information on reporting your income when you are living and working outside the US - https://turbotax.intuit.com/tax-tips/general/taxes-for-expats/L26keX1RV
