[3] After his debut, Montano was firmly promoted to the first team and quickly became an important player for the Danish 2nd Division squad, where he proved to be a goal-scoring midfielder.
On July 4, 2019, Danish 1st Division club Vejle Boldklub confirmed that they had signed Montano on a deal until June 2023, effective from January 2020.
[4][5] In his first six months he played 8 games, scoring 3 goals and 1 assist, contributing to Vejle's promotion to the 2020-21 Danish Superliga.
After promotion to the Danish Superliga, playing time became more scarce for Montao: 6 appearances in the league and 3 matches in the cup tournament with 2 goals.
In search of more playing time, Montano was loaned out to Danish 1st Division club FC Fredericia on February 1, 2021.