He currently plays for Portland Timbers Reserve, wearing the number 87 shirt. He plays primarily as a Midfield.

His most recent move was a from to Portland Pilots (University of Portland) on 2025-08-01.

Across 1 appearances in the United States Open Cup 2024, Christian Mendoza registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.