He currently plays for Calgary Wild FC (W), wearing the number 8 shirt. He plays primarily as a Midfield. He stands at 170cm tall and weighs 73kg.

Across 4 appearances in the Copa América Femenina 2022, Sonia María O'Neill Caroli registered 0 goals and 0 assists, while completing 0 key passes out of 16 total passes with a passing accuracy of 2.8.