[2] Mindua served first as a Legal Officer and Chief of the Judicial Proceedings Support Unit at the International Criminal Tribunal for Rwanda in Arusha from 1996 to 2001.

He was also ambassador of the Democratic Republic of the Congo to Switzerland in Bern and Permanent Representative to the United Nations Office at Geneva from 2001 to 2006.

In 2018, he was assigned to consider the request of prosecutor Fatou Bensouda for the ICC to rule on whether it has jurisdiction over the deportations of Rohingya people from Myanmar to Bangladesh.

[3] Also in 2018, he presided over hearings of Alfred Yekatom, a former militia leader accused of alleged atrocities against Muslims in the Central African Republic.

He is a member of the Crimes Against Humanity Initiative Advisory Council, a project of the Whitney R. Harris World Law Institute at Washington University School of Law in St. Louis to establish the world's first[dubious – discuss] treaty on the prevention and punishment of crimes against humanity.