The other aspect is that you simply wont get the variety and challenges in flying in FR as we do in NJE or anyother airline come to that.
I don't profess to know the job at NJE but I would doubt the sentiment about "challenge".
We fly into some small airfields, a few into uncontrolled airspace, often with short runways, limited approaches and rubbish weather.
Add to that the operational and scheduling pressures of up to 189 on and off in 25 minutes and it gets challenging.
I would suggest given the choice you heed the advice of others and join NJE. The only perceivable benefit I could see in FR is set in stone 5/4 roster and home every night, in their defence the aircraft are very well maintained and training is much better than my previous company. But, as for renumeration it has been on an expeditious 180 degree heading for years and will continue as long as we have the Anti Robin hood, taking from the poor to give to the rich, running the joint. Until/If FR get unionised steer clear.