I worked at Papa John's full-time (More than 5 years)
The hours are flexible and they usually work with what you need especially with school.
Some of the challenges of working for Papa John's is they can become short staffed easily.
I applied online. I interviewed at Papa John's in September 2017.
I applied online and called in a few hours later after lunch rush. Manager asked me to come in and fill out a paper application and provide a copy of my drivers license for a quick check. Got called the next day to come in that evening and start.