The app can show figures around ¥600 for Chef and ¥450 for Server, but most of the wage is paid for work done, not for clocking in and going idle. Claim a block, then actually cook or serve.
Gokudo Jobs
The Jobs app lists open work shifts at Kinryu Ramen. Chef and Server roles come in four-hour world blocks — about 12 real minutes — with two seats each and six blocks in a world day.