How to Say "side job" in Spanish
The Spanish word for “side job” is “camarón” — C1 level.
English → SpanishC1
nounC1slang
extra work for quick cash

Examples
Tengo un camarón el sábado tocando la guitarra.
I have a gig on Saturday playing the guitar.
Ese trabajo fue solo un camarón para pagar la renta.
That job was just a side gig to pay the rent.
Action vs. Object
While 'camarón' is a noun (a thing), people use it with the verb 'hacer' (to do/make) to describe the action of working a temporary job.
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