I’ve worked with people who worked in software for the (property) insurance industry, which is similarly conservative and not tech oriented.
The advantage is that it tends to be extremely stable.
Like you can probably work there your entire life if you wanted, and they have a career path that accounts for that.
The downside is that you’re probably going to hate every minute of it. You won’t be doing anything that could be considered innovative. Doesn’t mean it won’t do anything that would fit on a resume or that it’s a dead end, it just won’t be new.
Personally, I would recommend the more interesting job. 27 isn’t an age I would worry about either.