Assistant Painter Job Description 3/24. Black Magic (located at 414 NE 80th Ave) has been a premier custom bicycle painter and custom bike shop in Portland, OR since 2015. We specialize in custom finishes and building custom bicycle sales for clients around the world looking for a one of a kind bike, both new and vintage. Black Magic is seeking someone to join our team as an Assistant Painter. Our Ideal Candidate. Positive, friendly and professio...