You can learn more and get paid better elsewhereThe good thingsYou don't need to know much to be get in and excel there. You just need to pretend you know a lot, like most of the people you'd be reporting to.
The challengesAlways adhoc tasks and don't follow any proper practices. Whatever you develop will probably be down the drain in a year's time. If it's not down the drain, you'd be maintaining the piece of garbage you churned out during the rush period. Management have no respect for doing things well, just fast. But if it breaks, it's your fault.