"...got a PPL with a hundred hours.. .flying cessna 402, islanders to citations! I suspect there might be a possibility to evolve to bigger planes within the company? . . .I don't want to get stuck in the caribbean flying pistons forever."
. . . Just skip the cost and hassle of dabbling in noisy piston equipment. You can be a virtual B744 captain RIGHT NOW and fly endless hours to anywhere with Flight Simulator.