Nicknamed "Beppo", Schönfeld was born in Kolozsvár, Austria-Hungary, and was Jewish.

[1][2][3] He made his professional debut as a goalkeeper in 1916 at 16 years of age for Austrian team SpC Rudolfshügel, but was later converted into a striker.

In 1923, Schönfeld moved to Italian side Torino.

[1] He later spent time playing in the American Soccer League with Brooklyn Wanderers, Brooklyn Hakoah, and New York Hakoah.

This biographical article related to association football in Austria, about a forward, is a stub.