Kartye played two seasons of junior hockey with the Greater Kingston Jr. Frontenacs of the Eastern AAA Hockey League.[1] During the 2017–18 season, he managed 28 goals at 23 assists in 36 games.[1] He was then selected in the 8th round (158th overall) in the 2017 OHL Priority Selection by the Sault Ste. Marie Greyhounds.[1][2] Kartye then played three seasons for the Greyhounds, starting during the 2018–19 season. However, even after managing 24 points with the Greyhounds, Kartye was still passed over during the 2019 NHL Entry Draft.[3]
During the 2020–21 season, Kartye recorded 25 goals and 28 assists in 64 games. During the 2021–22 season, he improved those numbers with 45 goals and 34 assists in 63 games.[4] His 45 goals ranked second in the league, while he led all OHL players with 23 power play goals. Following the season he was named a finalist for the Leo Lalonde Memorial Trophy.[5] He finished his career with the Greyhounds with 74 goals and 82 assists in 191 games.[6][7]
Professional
On March 1, 2022, the Seattle Kraken signed Kartye to a three-year, entry-level contract.[8][9] During the 2022–23 season, Kartye recorded 28 goals and 29 assists in 72 games for the Coachella Valley Firebirds. He led all rookies in scoring with 57 points, and was one of only eight rookies league-wide to play in all 72 of his team's games during the regular season. Following the season he was awarded the Dudley "Red" Garrett Memorial Award, and named to the AHL Rookie All-Star team.[10][11]
On April 16, 2023, Kartye was recalled by the Seattle Kraken.[12] He made his NHL debut for the Kraken on April 26, in Game 5 of the Western Conference first round against the Colorado Avalanche during the 2023 Stanley Cup playoffs. He replaced Jared McCann, who was injured on a late hit by Cale Makar in Game 4.[13] He played on the Kraken's top line alongside Matty Beniers and Jordan Eberle, and scored his first career NHL goal against Alexandar Georgiev during the second period.[14] He became the eighth player in NHL history to score a playoff goal in his NHL debut, and the first since Makar in 2019.[15]