During the week, I work as a barista! I love making espresso-based coffee drinks!
I love coffee!  Was it hard to learn?
is "baristi" for masculine (literally meaning "barmen", "bartenders") or "bariste" for feminine (literally meaning "barmaids").
Application of the title.
While the title is not regulated, most coffee shops use the title to describe the preparer of coffee and operator of an espresso machine.
Baristas generally operate a commercial espresso machine, and their role is preparing and pulling the shot; the degree to which this is automated or done manually varies significantly, ranging from push-
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,