Barua joined the then IPGMR in 1979. He served as chairman of the Department of Neurosurgery and also as the dean of the Faculty of Surgery at this university. He was appointed as 10th vice chancellor of BSMMU in March 2018. He also served as president of the Bangladesh College of Physicians and Surgeons from 2017 to 2019. Barua also served as senior vice-president of BCPS from 2015 to 2017 and was honorary secretary from 2009 to 2015 for consecutive three terms. He also served as a syndicate member of Bangabandhu Sheikh Mujib Medical University from 2010 to 2018 and also Chattogram Medical University and Rajshahi Medical University at different times. He is currently working with the designation of vice-chancellor, professor, and head of the Neurosurgery Department at Bangabandhu Sheikh Mujib Medical University.
Publications
Barua published more than 122 papers in different national and international reputed journals.
Affiliations with professional organisations
Barua served as president of the Bangladesh Society of Neurosurgeons for five terms and was also the founder secretary general of the society. He also worked as vice-president of the Asian Congress of Neurological Surgeons from 1997 to 2004 and was secretary of the congress in 2000–2002. He was the president of the SAARC Society of Neurosurgeons.