Even with those taxes the cash is good.
They pay very good per-diems, you can save money during your staying.
Taxes are high. In Portugal half of
the salary is to pay the “ chulos” of the government.
But ok staring with 3500€ net in Portugal you live well. Don’t need to rent a house in Cascais or Sintra. There other neighborhoods places to live and nice ones.
If you need a credit it is easy, because pilots start their contract permanent, but the first 6 month are experimental.