For what it's worth I've been with Jet2 for 4 years. The SFO pay isn't too bad when you consider I only flew 400 hours, got most of the days off or leave I requested, didn't have to work too many days in a row and there aren't too many night flights or very earlies........
On the whole, the staff are a great bunch and a good laugh.
If your after job perks, stable rosters and large incentives then forget it but I don't think I've flown with too many people who are truly miserable at Jet2. Should BALPA achieve recognition, then fingers crossed, terms and conditions will improve and Jet2 may become a career airline..........