A barback is a bartenders' assistant. They work behind the bar next to the bartenders. Many of their duties are similar to the bartenders' duties.

• Collect empty glasses from the bar.
•  When washing glassware, use warm soapy water to wash, clean water to rise and cold sanitizer to sanitize the glassware. 
• Wipe the bar top constantly.
• Restock anything at the bar.
• Help the bartender on anything that he/she needs.
• Wash all the glassware.
• Restock beer, liquor, etc.
• Clean the bar.
• Place dirty towels in their appropriate location. 
• Get rid of the trash and boxes.
• Make sure that the beer cooler is clean and organized.