February 1998 - September 2000, Lecturer, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, Bangladesh.
April 1997 - September 1997, Foreign Researcher, Faculty of Agriculture, Saga University, Japan.
October 1999 ‐ December 2001, Special Researcher, Faculty of Agriculture, Saga University, Japan.
January 2004 ‐ March 2004, Special Researcher, Faculty of Agriculture, Saga University, Japan.
April 2004 - March 2007, Senior Researcher, Biotechnology Division, Fukuoka Agricultural Research Center, Fukuoka, Japan.
April 2007 - August 2007, Special Researcher, Faculty of Agriculture, Saga University, Japan.
September 2007 ‐ February 2010, Senior Researcher, National Agricultural Research Center for Western Region, Hiroshima, Japan.
March 1, 2010 - October 4, 2013, Associate Professor, Dept. of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore-7408, Bangladesh.
October 5, 2013 - Present, Professor, Dept. of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore-7408, Bangladesh.
Research fellowships
Post graduate fellowship
January 1990-December 1991, National Science and Technology (NST) fellowship, Bangladesh.
January 1992 - March 1997, Ministry of Science, Education and Culture (Monbukagakusho) scholarship, Japan.
Post doctoral fellowship
October 1997 - September 1999, Japan Society for the Promotion of Science (JSPS), Saga Univ., Japan.
January 2002 - December 2003, Japan Society for the Promotion of Science (JSPS), National Agricultural Research Center for Western Region, Hiroshima, Japan.
Inventions
Soybean varieties with oil for low cholesterol and long-term preserved quality
Soybean varieties with oil for healthy margarine, soysauce and icecream quality
Patents
Soybean varieties at Saga Prefecture, Japan
Soybean varieties in USA (by an agreement among Iowa State University, Saga University and Saga Prefecture Government)
Awards
Best Student (1989) in M.Sc. in Faculty of Life and Earth Sciences, University of Rajshahi, Bangladesh (received gold medal and certificate)
Scientist of the Year (2001) by Japanese Society of Breeding, Japan (received gold medal and certificate)