• English Language
• Business Communication
• Communication Skills
• Elocution

• Lecturer (English) – Saegis Campus (pvt) Ltd, Nugegoda (2012-2013)
• Temporary Tutor (Business Communication)- Faculty of Management Studies and Commerce, University of Sri Jayewardenepura  (2010-2012)
• Visiting Lecturer (English) – Kotelawala Defence University, Ratmalana  (2008-2010)
• English Teacher – Lyceum International School, Wattala (2008)
• English Instructor – Trade Training School,   Sri   Lanka Air Force, Ekala (2008)
• English Lecturer (Part time) – Centre for English Language Skills (CELS) Polhengoda, Colombo 5
• Lecturer (Part Time)- the Institute of Chartered Accountants of Sri Lanka, Colombo 07

Abstract Publications

• Weeraratna, WMMMJT. (2014), The Use of First Language in Teaching Second Language Vocabulary for University Students (With Special Reference to Students at Sri Jayewardenapura University), International Research Conference on Humanities and Social Sciences, Organized by Faculty of Humanities and Social Sciences, University of Sri Jayewardenapura.
• Weeraratna, WMMMJT. (2014), The Impact of Passing Advanced Level General English on Undergraduates’ Academic Performance, 8^th International SLELTA Conference.

Full Paper Publications

• WMMMJT Weeraratna, VU Jayasinghe, MTN Wijetunge. (2017) The Use of First Language in Teaching Second Language Vocabulary for Sri Lankan Undergraduates10^th International Research Conference. Proceedings in Management, Social Sciences and Humanities, -KDU, Sri Lanka
• MTN Wijetunge, UV Jayasinghe & JT Weeraratna. (2016), Using Scaffolding to Enhance ESL Speaking Motivation at Undergraduate Level, 9^th International Research Conference, KDU
• Weeraratna WMMMJT, Barborich AA. (2018). The Significance of Problem-based Learning in language education: A literature review, Annual Research Symposium, University of Colombo, Sri Lanka, https://drive.google.com/file/d/1P9SG8ndeFDj9XheKWaog7s0f8OaZy_X/view?usp=sharing
• Saparamadu KDCIS, Withanage RSR, Weeraratna WMMMJT. (2018). Effect of Language Proficiency on Academic Performance: Special reference to undergraduates of General Sir John Kotelawala Defence University, 11th International Research Conference, General Sir John Kotelawala Defence University, https://drive.google.com/file/d/1LLDH9vcaj9fqHDtLFS4Fy1UY83zLv6oQ/view?usp=sharing
• Wijetunge MTN, Jayasinghe VU, Weeraratna WMMMJT. (2018). Improving Oral Presentation Skills in Undergraduates through Constructive Criticism (as a Bi-Product of Scaffolding), 11th International Research Conference, General Sir John Kotelawala Defence University
• Jayasinghe, VU., Ranasinghe, ND., Wijetunge, MTN., and Weeraratna, JT. 2020. Developing Competent Communicators through English Language Teaching at Sri Lankan Universities. In The 2nd Asian International Conference on Multidisciplinary Research 2020 (AIMR’20). [online] Colombo: TIRDI Publication, pp. 14 Available at: https://www.aimr.tirdiconference.com/assets/images/portfolio/Conference-Proceeding-AIMR-20.pdf and https://www.aimr.tirdiconference.com/assets/images/portfolio/Book-of-Abstracts-AIMR-20.pdf> [Accessed 10 December 2020].
• Jayasinghe, V.U., Wijetunge, M.T.N., Weeraratna, J.T., 2018. Improving oral presentation skills in undergraduates through constructive criticism (as a bi-product of scaffolding), in: Securing Professional Excellence Though Collaboration. Presented at the 11th International Research Conference, General Sir John Kotelawala Defence University, Colombo, Sri Lanka, pp. 308–316.
• Jayasinghe, V.U., Wijetunge, M.T.N., Weeraratna, J.T., 2016. Using Scaffolding to Enhance ESL Speaking Motivation at Undergraduate Level, in: Professional Integration for a Secure Nation. Presented at the 9th International Research Conference, General Sir John Kotelawala Defence University, Colombo, Sri Lanka, pp. 79–84.https://www.academia.edu/31593389/Using_Scaffolding_to_Enhance_ESL_Speaking_Motivation_at_Undergraduate_Level
• Weeraratna, J.T., Jayasinghe, V.U., Wijetunge, M.T.N., 2017. The Use of First Language in Teaching Second Language Vocabulary for Sri Lankan Undergraduates, in: Changing Dynamics in the Global Environment: Challenges and Opportunities. Presented at the 10th International Research Conference, General Sir John Kotelawala Defence University, Colombo, Sri Lanka, pp. 744–749. http://ir.kdu.ac.lk/handle/345/1837
• Weeraratna, J.T., Jayasinghe, V.U., Wijetunge, M.T.N., 2023. The Use of Cognitive Academic Language Proficiency (CALP) Skills in English Language Curricula of Sri Lankan Universities. Presented at the SLIIT International Conference on Advancements in Sciences and Humanities. https://mysliit-my.sharepoint.com/:b:/g/personal/thushara_p_sliit_lk/EaS0E2ElFWBKi6MKMJV8oG8B5ZyvFRlPY_qvELZjqvTqgg?e=RRLDPE. ISSN 2783– 8862

Journal Publications

• Jayasinghe, V.U., Wijetunge, T.N., Ranasinghe, N.D. and Weeraratna, J.T., 2020. Developing Competent Communicators Through English Language Teaching At Sri Lankan Universities. In Conference Proceedings of the 2nd Asia International Conference on Multidisciplinary (Vol. 2, p. 49).

• Language Teaching
• Second language Learning
• Language and Culture
• Language Acquisition and Tertiary Learners
• Applied Linguistics