After over a decade studying abroad, he returned to Cameroon in 1970 to work as the Director of the National Archives in Buea and later as a professor at the University of Yaoundé.
After returning to Cameroon in 1970, Njeuma assumed the position of Director of National Archives in Buea.
[1][2] In 1993, Njeuma was made an honorary foreign member of the American Historical Association "for his manifold services to the history profession" becoming the first and only African scholar to receive this award.
[5] Among their two children was Christine Njeuma, the first female airline pilot in Central Africa.
She also had the opportunity to represent Cameroon in international competitions, including the Billie Jean King Cup.