With the Foreign Earned Income Exclusion (FEIE) you can exclude up to $108,700 from income taxes.
There are 2 criteria:
1. If you work full time in a foreign country for the entire calendar year (Bonafide Resident)
2. If you worked outside the US for at least 330 days in the last 365 days (Physical Presence Test)
Learn more about the Foreign Earned Income Exclusion for Expats.