When I started working in tech many years ago I was as eager as most of the folks in this thread about the prospect of making more, through changing of jobs. Experience forced me to realize unless u really need the money annnd the offer is so damn good annnnd u know it won’t be easy to replace u, sit ur ass down.
Sit your ass down and get replaced anyways so I’d remove the seniority nonsense. Unless you’re a respected decision maker your job is never safe. CEO, VP, director. I’ve seen them all go. While not likely, it’s possible.
So to me the things you need to consider before making the switch:
How much more money are you getting
Culture fit
Commute
Career advancement
The people you will be working for
Type of work you will be doing.
Work life balance and flexibility.
overall is this a great opportunity for you? If yes, go. If no, keep looking.
Just don’t let fear drive your decisions.