He also serves as a professor of clinical medicine at the Kotelawala Defense University and he is appointed as an Ambassador for Science Technology and Innovation for Sri Lanka.

[1][2][3] In addition, Wijay is the current president of LeoMed LLC, a medical device company.

[7] Wijay has received Lifetime Achievement Award from Maithripala Sirisena, President of Sri Lanka in 2016; Vidya Jyothi award in 2017; and Ada Derana Sri Lankan Global Inventor of the Year in 2018.

After finishing Advanced Level examination, Wijay attended on an Indian Government Cultural scholarship, India in 1967 to complete a degree in chemical engineering.

[11] In 1995, Bandula invented the "Nested Loop" vascular stent, used in treating stenotic arteries after balloon angioplasty.