Nider participated in WW I on the Macedonian Front. Later, he became commander-in-chief of the Greek forces that took part in the Ukraine Expedition in the aftermath of World War I and the Bolshevik Revolution. He led two divisions of the A' Army Corps that landed in Crimea in January 1919. The Greek troops were attached to the French Army in the sector.
He served as Minister of the Military in 1926.
Nider died in German-occupied Athens in 1943.