About Us. Kona Reserve Coffee is a premium, craft coffee shop serving Hawaiian coffee (the only US grown coffee. ) in Frisco, TX. We are looking for a competent barista/cashier to join our team and help with the organization and running of our shop, which includes serving guests and great coffee. Must be able to work some weekends and holidays, as these are our busiest (people need that caffeine). No prior coffee experience required, we’d love to...