Prof. Kodituwakku graduated from the University of Peradeniya obtaining B.Sc. Special Degree in Mathematics in 1992 from the University of Peradeniya and joined the same University in 1993 as a Probationary Lecturer. He proceeded to AIT, Thailand to read a M.Sc. in Computer Science and later completed the Ph.D. in 2004 at RMIT University, Australia. Promoted to the Grade of Senior Lecturer in 2004,  Professor of Computer Science in 2013, and Senior Professor of Computer Science in 2021.