He played seven seasons in the league for the Charlotte Bobcats, Dallas Mavericks, Toronto Raptors and New Orleans Pelicans.

Ajinça was a promising BMX rider during his childhood and routinely won racing competitions for his age group in France.

[1] During his rookie season, he spent time with the Sioux Falls Skyforce of the NBA Development League.

On July 13, 2010, Ajinça was traded, along with Tyson Chandler, to the Dallas Mavericks in exchange for Erick Dampier, Eduardo Nájera, Matt Carroll.

[15] On April 8, 2016, he recorded career highs with 28 points and 15 rebounds in a 110–102 win over the Los Angeles Lakers.

[19] On 13 October 2023, Ajinça was hired as an assistant coach by the Capital City Go-Go of the NBA G League.