Raptors 905 Kajami-Keane made his professional debut with
Raptors 905 in the
NBA G League. In the 2017–18 season, he averaged 6.3 points and 4.2 assists in 18.5 minutes per game.
Landstede Zwolle In August 2018, Kajami-Keane signed with
Landstede Basketbal of the
Dutch Basketball League (DBL). On 1 June 2019, Kajami-Keane won the DBL championship with Landstede, the first in club history. Kajami-Keane was named the
DBL Play-offs MVP, after averaging 18.3 points and 5.3 assists in 12 playoff games.
Mitteldeutscher BC On July 31, 2019, Kajami-Keane signed with
Mitteldeutscher BC, for sponsorship reasons for the 2019–20 season. With MBC, he would play in the German
Basketball Bundesliga (BBL). He averaged 15.2 points, 5.3 assists and 2.7 rebounds per game.
Le Mans Sarthe On June 8, 2020, Kajami-Keane signed with
Le Mans Sarthe of the
LNB Pro A. He averaged 12.2 points and 4.1 assists per game. Kajami-Keane re-signed with the team on June 25, 2021.
Niners Chemnitz Kajami-Keane joined German club
Niners Chemnitz, returning to the BBL after three years. He won the
FIBA Europe Cup title with Chemnitz, and was named the Finals MVP following a record-setting 29 points in the second game.
Spartak Subotica He inked a deal with
Spartak Subotica of Serbia in June 2024.
Return to Niners Chemnitz On June 21, 2025, he signed with
Niners Chemnitz in the German
Basketball Bundesliga (BBL) and the .
Löwen Braunschweig On February 4, 2026, he signed with
Löwen Braunschweig of the
Basketball Bundesliga (BBL). ==National team career==