During the 2010–11 season, his first at Polonia, he featured in six outings for the senior team, and appeared in 21 games in the Młoda Ekstraklasa youth league, scoring 15 goals.

On 27 August 2014, Teodorczyk signed a five-year contract with Ukrainian club Dynamo Kyiv who reportedly paid €4 million for the transfer.

On international level, he reached the quarter finals of the Europa League with Dynamo where the club was knocked out by Fiorentina 1–3 on aggregate.

In the 6 matches he played in the Europa League he scored 3 goals against the likes of Steaua București, EA Guingamp and Everton.

On 24 November 2015, Teodorczyk made his UEFA Champions League debut on matchday 5 of the group stage in a 2–0 away win against Portuguese club FC Porto, coming on as a substitute on the 87th minute.

While he remained goalless in the competition, Dynamo reached the last sixteen of the UEFA Champions League that season before being eliminated by Manchester City 1–3 on aggregate.