I would take the first job. It will likely put you in more "if I don't figure this out, nobody else will, and we'll be completely screwed" type situations, and

I would take the first job. It will likely put you in more "if I don't figure this out, nobody else will, and we'll be completely screwed" type situations, and those can be great motivators for doing/learning things you never would have bothered with otherwise.