My rule of thumb has been that a single rapid job change doesn't show anything, but you don't want a pattern of rapid job changes on your resume. That is, if yo

My rule of thumb has been that a single rapid job change doesn't show anything, but you don't want a pattern of rapid job changes on your resume. That is, if your resume is currently something like 3 years at one company, then 9 months at the current place, I wouldn't look askance at that, but I'd be sure I want to stay at the next place for a while before leaving. 3 years, 9 months, 1 year and then looking again does look a little flaky. I suspect the "job hoppers are flakes" bandwagon includes a lot of people with big stakes in companies that need willing worker bees. If you get a better offer, jump on it. If you keep getting better offers, keep jumping on them.