Horizon has a program that offers reimbursement when you reach certain certifications. Piedmont has one that pays up to 5k for hours after you get you CFI. The easiest way is to just google (airline) pilot program. Most of them have something now, I think the majority just offer a specialized student loan that allows you to defer payments for the moment.
https://careers.alaskaair.com/career...es/pilots/pdp/