He currently plays for Bayern Munchen II, wearing the number 4 shirt. At the international level, he represents Austria U21. He plays primarily as a Defender. His current market value is estimated at 300K €.

His most recent move was a Free from Kapfenberg SV 1919 to Bayern Munchen II on 2025-07-01. The reported fee was 0.25M €.

Throughout the German Regionalliga 2025-2026, David Heindl featured in 16 matches, averaging 1.6 tackles, 2.5 interceptions, and 7.8 clearances per game, while blocking 0.1 shots per game.