The contract for FO is 6000 eur/ month gross that includes all allowances. With apprx 35% tax in in the UK thats about eur 3900 with the current conversion rate 2850 GBP. So probably the lowest paid 787 job worldwide, and only 8 days off a month guaranteed. On top of that you need to give them 30.000 euro as guarantee that u won't leave in the first 3 years. They pay you back 10.000 eur/ year.