I was once a Barista serving coffee at a coffeehouse in college.
Like Starbucks?  I have a friend that works for them and she really loves it.  Did you enjoy it?
It was a local spot. It was really fun. The word Barista is actually Italian for "bartender".
That's quite interesting - LOL!!  I wonder if people that speak other languages get confused and show up for a beer?!
Its never happened to me but I wouldnt be surprised. Barista is not necessarily a regulated term. Its just that most coffee shops use the title. 
Ah, I see!  Was it hard to learn all the different coffee combinations, beans, etc.?
Being a barista took a lot of training to not only know the drinks but to get them right. For example the Espresso, that is a real finicky beverage to get right.
I can only imagine.  I think I would make a mess of the whole thing!  But I am glad there are those that are good at it
button operation to an involved manual process. Espresso is a notoriously finicky beverage, and good manual espresso making is considered a skilled task. Further, preparation of other beverages, particularly milk-based drinks such as cappuccinos and lattes, but also non-espresso coffee such as drip or press pot, requires additional work and skill for effective frothing, pouring and most often latte art.
The barista usually has been trained to operate the machine and to prepare the coffee based on the guidelines of the roaster or shop owner,
Barista
A barista (; ; from the Italian for "bartender") is a person, usually a coffeehouse employee, who prepares and serves espresso-based coffee drinks.
Etymology and inflection.
The word "barista" comes from Italian, where it means a male or female "bartender" who typically works behind a counter, serving hot drinks (such as espresso), cold alcoholic and non-alcoholic beverages, and snacks. The native plural in English is "baristas", while in Italian the plural