Juliš made ten appearances scoring three goals for Sparta Prague B.

He scored his Czech First League first goal on 22 March 2014 in a match against Baník Ostrava.

He got his confidence back scoring eight league goals [3] and he returned to Sparta in the summer.

[5] Juliš joined UD Ibiza of the Segunda División in January 2023, signing a half-season contract.

Juliš represented the Czech Republic in the 2017 UEFA European Under-21 Championship in Poland.