Initially a teaching assistant in the animal morphology department, Borcea received a scholarship to study in France the following year.
He performed research at the marine biology stations in the French villages of Banyuls-sur-Mer and Roscoff, as well as in Naples.
[1] In 1909, Borcea became a professor at the Iași sciences faculty, at one point serving as dean remaining until his death.
In 1926, he founded the Agigea Marine Biology Station, located on the Black Sea coast near Constanța, and served as its director for the last decade of his life.
He was an honorary member of the Société zoologique de France, and edited the V. Adamachi Scientific Magazine.