Word for "a person who generate bill on computer in shopping mall" [closed]

Solution 1:

Clerk

c: one who works at a sales or service counter

a store clerk

a grocery clerk

The person is often refereed to as check out clerk

Check out:

3: a counter or area in a store where goods are checked out

Definitions from Merriam-Webster

Clarification: This is American English. I cannot speak for British English.