Probably a software engineer. If you're a little above average, salaries are very high. Most software engineers I know in Romania make at least 5 times the national average. Good ones make up to 10 times the national average.
Really curious what his job and location is, maybe I move there :)
Another interesting fact is that in Romania the tax system is simple enough to always negotiate in net salary. Your employer takes care of paying taxes and social contributions etc.
Because if that's the case I'm coming over to join you. :)
But the rest of the country doesn't, so we have the lower COL.
Give me a private contact and I can give you some concrete answers and tips regarding the area.