Jonke earned a scholarship to attend Notre Dame College, finishing the season as top scorer in the American Mideast Conference with 25 goals.
Jonke dominated the season by recording nine goals, and helped lead Oulu win promotion to the Veikkausliiga by finishing first in the standings.
After playing the remainder of the season with FC Inter Turku Jonke signed a contract with Veikkausliiga club FF Jaro in June 2012.
[15] In 2008, he was called by head coach Nick Dasovic to the Canada men's national under-20 soccer team camp.
[16] On January 18, 2013, Jonke received his first call up by the Canada national team for friendlies against Denmark and United States[17] He made his senior team debut on January 29 in a friendly against United States as a second half sub for Dwayne De Rosario, the game ended as a 0–0 draw.
[18] In 2018, he was the head coach for SC Toronto's male and female youth programs in the Ontario Premier Development League.