Bálint Bajner

Bajner was born in Szombathely.

West Ham United

Bajner joined West Ham United in July 2008 on a season long loan. He returned to Liberty Oradea at the end of the 2008–09 season as West Ham decided not to take up the option of a permanent transfer when his loan ended.

Sulmona Calcio

On 14 October 2011, Bajner joined Sulmona Calcio 1921 in the Italian "Eccellenza Abruzzo" division and played his first match at Sulmona's Stadio Francesco Pallozzi on 16 October 2011 against Real San Salvo. Sulmona Calcio 1921 won 1–0. On 23 October 2011, Bajner scored his first goal for the "white-reds" in a 1–1 draw against Mosciano.

Borussia Dortmund

On 1 September 2012, Bajner transferred to Borussia Dortmund II. He scored his first goal against Chemnitzer FC on 7 October 2012. On 24 February 2013, he made his Bundesliga debut for Borussia's first team, coming on as a substitute in an away game at Borussia Mönchengladbach in the 71st minute. On 8 January 2013, Bajner scored a goal in a training match against Albacete Balompié. The match ended with a 3–1 victory for Borussia Dortmund. In the summer of 2014, Bajner attended a training session of Hungarian League club Ferencváros.

Ipswich Town

On 30 July 2014, Bajner signed a two-year contract with Ipswich Town. Bajner made his debut on 9 August 2014 in a 2–1 home win against Fulham. Ipswich manager, Mick McCarthy admitted that during the early season Bajner had found playing in the Championship "tough".…

In Hungary's opening match of the 2008–09 Under-19 European Championship qualifying against San Marino, Bajner scored a 16-minute hat-trick as his side won 6–0 on 20 October 2008.