You use the form 1040 ....
If you do not have a IRS W-2 from a foreign company then you do not enter the form you received in the W-2 section. You enter the income as Foreign Earned Income.
· Click on Federal Taxes
· Click on Wages and Income
· Click on I'll choose what I work on
· Scroll down to Less Common Income
· On Foreign Earned Income and Exclusion, click the start or update button
See this TurboTax support FAQ - https://ttlc.intuit.com/questions/1895445-how-do-i-report-foreign-income