Piłsudski's vision of a Poland for all its citizens be they ethnically Polish, or Jewish, or Tartar, or Lithuanian, or Ruthenian, etc. is the truly patriotic one.
He had some reservations towards leftists. He jailed a few when he came to power. But still all the Jews had the right to create their Jewish political parties.
en.wikipedia.org/wiki/List_of_political_parties_in_Poland#Political_parties_in_the_Second_Polish_Republic.2C_1918.E2.80.9339
Some of these were Jewish, I know also there were a lot more Jewish parties, but I guess they were rather small since they weren't taken into account in this list