He regularly came off the bench in his freshman year of 2008–09, averaging 4.4 points and 2.7 rebounds per game, but his sophomore season was cut short by a back injury that required surgery.

[4] After sitting out the 2010–11 season due to NCAA transfer rules, Kadji became a starter at Miami in 2011–12, averaging 11.7 points, 5.3 rebounds, and 1.6 blocks while being named third-team All-ACC.

The following season, Kadji averaged 12.9 points and 6.8 rebounds[3] for a Hurricanes team that won the ACC regular-season and tournament titles, and was named second-team All-ACC.

[5] On December 6, 2013, Kadji signed a three-month contract with New Yorker Phantoms Braunschweig of the Basketball Bundesliga.

On August 19, 2014, he signed a one-year deal with Aries Trikala of the Greek Basket League.

[10] On February 14, 2015, he left Trikala and signed with Dinamo Sassari of the Italian Serie A for the rest of the season.

[14] On October 2, 2016, he parted ways with Lietuvos rytas after three games and signed with Turkish club Trabzonspor for the rest of the season.