He played for the club's A-Juniors team in the 2012–13 Under 19 Bundesliga season, scoring ten goals in 12 matches.

[4] With a year remaining on his contract with Arminia Bielefeld, an undisclosed transfer fee between the two clubs was agreed.

[7][8][nb 1] During the 2013–14 pre-season, Höner made his first appearance as a 63rd-minute substitute for Ajax in a 3–0 friendly match win over De Graafschap on 13 July 2013.

[9] On 5 August 2013, he made his professional debut for the reserves team Jong Ajax in a 2–0 Eerste Divisie victory over Telstar.

[13] Höner made his debut for the German national under-19 team in a 3–0 friendly match win over France on 14 November 2012.