[1] He began his career as an associate professor at the Altai State University in Barnaul, Russia and in 1985 he became a researcher with the Mathematics Institute of the Russian Science Academy in Novosibirsk before moving onto the Sumy State University in Sumy, Ukraine in 1989.
In 1995 he began working at the Central Economic Mathematical Instituteof the Russian Academy of Sciencesas head researcher.
[1] In 2002, he was invited to teach at the Universidad Autónoma de Nuevo León by CONACYT for a two-year contract.
[1] In 1993 Kalashnikov received a medal from the Ukrainian Academy of Sciences[1] and in 1997 an award from the Central Economic Mathematical Institute[1] for his research work.
Since 2015, he has had Level III membership in the Sistema Nacional de Investigadores (National Roster of Researchers) of Mexico.