Are you for real. I.m not Romanian ,but I.ve done business there, Well tried too.
All you ever get is promises, and its nothing for the bosses to spend your salary on holidays cars and anything else they might fancy,
The chances of you being paid is nearly zero.
He is waiting on the next job to come , to get money to pay his staff, Not the job just done, Nobody in Romania ,works upfront,
Forget about court cases, Even if you win , they will appeal and you have to pay for your lawyer upfront, and threw every part of the 4 trials, that it takes.
The courts wont chase them for your money, you need then to hire a bunch of thugs to get your money,
The other thing is, there is no guarantee of you being awarded costs,
Get sick till he returns, Do your internet work, and if he is genuine, he will pay you on his return, If not. why waste anymore time on him,