But since these opportunities are hard to snatch you can save a search on the asda careers Website , to have a email sent you you when a role opens. You need to create an account to save your search to and have a valid email address to receive with ( I recommend Gmail), but that's it.
Simply Easy.
Link: https://hourly.asda.jobs/2057/ASP/TG/cim_advsearch.asp?partnerid=25222&siteid=5034
You Will now receive emails, when a opportunity opens at your selected store with your preferable role.