Casual positions can take anywhere from a couple weeks to months depending on the need for new hires. It consists of submitting a resume and being successful in an interview and may include a small practical abilities test.
Full time positions occur rarely and take weeks to go through the application, interview, presentation, final selection stages.
Job applications are usually only open for a couple weeks. They fill up fast. I was hired and working within a week of my interview.
Best chance if you are a graduate