In addition to being a professional referee, he obtained a bachelor's degree in Chemical Sciences from the University of El Salvador.
[4][5] He refereed in the first leg of the 2022 CONCACAF Champions League Final between Seattle Sounders FC and UNAM, where he awarded three penalties.
[6] In May 2022, Barton was chosen as one of the referees to officiate at the 2022 FIFA World Cup in Qatar.
[8] Barton was selected to officiate a CONCACAF Nations League Finals semifinal between regional rivals Mexico and the United States in June 2023.
He issued four red cards during the second half amid several fights between players; Barton ended the match early in stoppage time due to homophobic chants from fans.