He currently plays for RB Leipzig U16, wearing the number 8 shirt. He plays primarily as a Midfield.

His most recent move was a from RB Leipzig Youth to RB Leipzig U17 on 2025-07-01.

Across 5 appearances in the Shanghai Future Star Cup 2025, Niklas Heinicke registered 1 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.