noun
part-time workplace; part-time employer
Slang abbreviation of バイト先. Used casually among young people to refer to the place or company where one works part-time, or sometimes the employer itself.
See also: バイト先
バ先のシフトが減って困ってる。
I'm in trouble because my part-time job shifts have been cut.
バ先の店長が優しい。
The manager at my part-time job is kind.