As a Bartender, you will need to master following:

• clear the bar at closing time
• display spirits
• handle bar equipment
• handover the service area
• identify customer's needs
• maintain bar cleanliness
• prepare hot drinks
• present drinks menu
• serve beers
• serve beverages
• setup the bar area
• stock the bar
• take food and beverage orders from customers

More generally, a bartender is also versed in:

• comply with food safety and hygiene
• detect drug abuse
• enforce alcohol drinking laws
• execute opening and closing procedures
• handle glassware
• maintain customer service
• process payments
• take payments for bills
• upsell products

It also helps to know the following:

• assemble cocktail garnishes
• change kegs
• clean beer pipes
• compile drinks menu
• compile drinks price lists
• create decorative food displays
• educate customers on coffee varieties
• educate customers on tea varieties
• local area tourism industry
• prepare fruit ingredients for use in beverages
• prepare garnish for drinks
• prepare mixed beverages
• serve wines
• sparkling wines
• apply foreign languages in hospitality
• devise special promotions
• handle gas cylinders