This goes at the top of the page — keep it clean and easy to scan.
Two or three sentences on who you are and what you're good at. Optional, but it helps a reader place you fast.
Most recent role first. Lead each bullet with what you did and what happened because of it.
Degrees, certifications, or relevant coursework.
Add any languages you speak and how well you speak them.
Add the ones a hiring manager would actually search for.