Eng. (Mrs.) Chathurika Shiranthi Weliwita

M.Pil.Eng (University of Peradeniya), B.Sc. (Eng.)Hons (University of Peradeniya)

Senior Lecturer Grade I

Department of Computer Science

Eng. (Mrs.) Chathurika Shiranthi Weliwita is a Senior Lecturer Grade I in Computer Science at the Department of Computer Science, Faculty of Natural Sciences, The Open University of Sri Lanka. She has more than 16 years of experience in teaching, academic administration, curriculum development, course material development, student counselling, assessment, research and project supervision in higher education.

She holds a Master of Philosophy in Engineering from the University of Peradeniya and a Bachelor of Science Honours degree in Engineering, specialising in Computer Engineering, from the same university. Prior to joining academia, she worked as a Software Engineer in the industry, gaining professional experience in enterprise software development, technology evaluation and software testing.

Her academic work focuses particularly on Computer Science education in Open and Distance Learning environments. She has extensive experience in teaching undergraduate students, designing and developing online courses, authoring and editing course materials, coordinating courses and degree programmes, setting and moderating examinations, and supervising undergraduate and research projects.

She has served in several academic and administrative capacities, including Programme Coordinator of the BSc in Information Technology and BSc Honours in Information Technology degree programmes, Course Coordinator and Chief Examiner, and Faculty Coordinator at the Kandy Regional Centre. She has also contributed to curriculum development, academic programme design, faculty and university committees, industry engagement and the development of new computing degree programmes.

Her research interests include information security and cryptography, mobile communication, Open and Distance Learning technologies, computer music, positive psychology, image processing and emerging applications of computing in education and wellbeing

Mobile Communication, information security and cryptography, Computer networks, Digital Electronics, Programming in Java

Cryptography and Information Security, Mobile Communication and Wireless Networks, Computer Music and Music Technology, Positive Psychology , Image Processing, Open and Distance Learning Technologies, Online Learning and Digital Education , Cybersecurity, Computer-Aided Music Therapy, Artificial Intelligence and Data Analytics

Present Position

Senior Lecturer Grade I in Computer Science
Department of Computer Science
Faculty of Natural Sciences
The Open University of Sri Lanka
2023 – Present

Responsibilities include undergraduate teaching and practical instruction, assessment and examination, course coordination, academic counselling, curriculum development, online course development, course material development and editing, undergraduate and research supervision, and academic administration.

Previous Positions

Senior Lecturer Grade II in Computer Science
Department of Computer Science
The Open University of Sri Lanka
2017 – 2023

Lecturer in Computer Science
Department of Mathematics and Computer Science
The Open University of Sri Lanka
2009 – 2017

Research Assistant and Academic Instructor
Department of Computer Science and Engineering
University of Moratuwa
2009

Software Engineer – Technology
Virtusa (Pvt) Ltd, Sri Lanka
2007 – 2009

– Programme Coordination
• Programme Coordinator – BSc in Information Technology and BSc Honours in Information Technology Degree Programmes – 2023–2026
• Responsible for academic coordination, activity scheduling, master timetable preparation, course delivery, student registration and counselling, academic staff coordination and programme-level academic administration.
• Coordination of industry engagement through the Industry Advisory Committee for Computing.
• Contribution to collaborations with local and international universities.

– Course Coordination
Served as Course Coordinator and/or Chief Examiner for the following courses:
• CSU5306 – Digital Electronics
• CSU5312 / ITU5304 – Wireless and Cellular Networks
• CSU5309 – Information Security and Cryptography
• CSU5310 / COU4304 – Computer Architecture
• COU3300 – Computer Organization and Communication
• COU3305 – Computer Security Concepts
• COU4306 – Cryptography
• ITU5300 – Human Computer Interaction
• ITU5307 – Cybersecurity
• COU6309 – Information Security
• COU6307 – Digital Forensics
• COU6302 – Cognitive Robotics
• ISU6300 – IT Risk Management
• ITU6621 – Research Project
• ITU6210 – Research Methodology
• Short Course in Cybersecurity
• Short Course in Computer Networks and Security

  • Weliwita, C., Ariyasinghe, I., & Piyasoma, W. (2025). Science undergraduates’ acceptance on learning Computer Science in an online environment: Insights of the Open University of Sri Lanka. Open Learning: The Journal of Open, Distance and e-Learning. https://doi.org/10.1080/02680513.2025.2567351
  • Weliwita, C. (2023). Performance Study on 5G-NSA Backhaul Network Secured with HIP. International Journal of Advanced Networking and Applications, 14(6), 5705–5716. https://doi.org/10.35444/IJANA.2023.14607
  • Weliwita, C. S., Karunarathne, S. N., & Sandirigama, M. (2016). A theoretical analysis of securing LTE backhaul network using Host Identity Protocol. Proceedings of the Peradeniya University International Research Sessions, Vol. 20, p. 285. University of Peradeniya, Sri Lanka.
  • Perera, P., Lakshitha, A., Kumarapeli, C., Yokenthira, M., & Weliwita, C. (2026, August). Behavioural determinants of learner engagement decay in open and distance learning: The role of digital learning behaviours and self-regulated learning. International Conference on Open and Digital Education (ICODE 2026), University of Moratuwa, Sri Lanka.

Postgraduate Supervision

  • Research Student: Ms. Chandini Wijerathne – from August 2026
    Research Title: To be added

Undergraduate Supervision

CPU3250 / CSU5320 / CSU3274 – Project in Computer Science

B.Sc. Degree Programme

  • Research/Project Title: To be added – 2017/2018
  • Research/Project Title: To be added – 2014/2015

ITU6621 – Research Project

B.Sc. Honours in Information Technology Degree Programme

  • CyberHunk – SafeGuard Framework: A Comprehensive System for Analysing Social Media Usage Through Multi-Dimensional Behavioral Assessment – 2024/2025
  • Automated University Timetable Scheduling Using a Genetic Algorithm – 2024/2025
  • AI-Powered Counseling Bot for Student Support in the OUSL IT Degree Program – 2024/2025
  • AI-Based Real-Time Identity Verification for Banking with Age-Invariant Facial Recognition – 2024/2025
  • Machine Learning-Based Predictive System for Coronary Artery Disease Using Wearable Health Data – 2024/2025

Contributions to OUSL

  • Member of Senate, The Open University of Sri Lanka – February 2022–Present
  • Programme Coordinator, BSc in Information Technology and BSc Honours in Information Technology degree programmes
  • Faculty Coordinator, Kandy Regional Centre, undertaking responsibilities associated with a Head of Department position – 2019–2021
  • Member, Board of Management, Centre for IT Education Services
  • Member, Faculty Board, Faculty of Natural Sciences
  • Convener, Faculty Industry Advisory Committee for Computing
  • Member, Faculty Academic Advisory Committee
  • Member, faculty and university committees related to curriculum development, educational technology, online management information systems and independent learning
  • Chair, iTeam Society – Computer Science Student Society
  • Contribution to the development and review of undergraduate computing degree programmes
  • Contribution to the development of new computing degree programmes, including cybersecurity programmes
  • Contribution to the development of online courses and learning resources for distance learners

Course Material Development

  • COU3300: Computer Organization and Communication – ISBN: 978-955-23-1928-0
  • COU6309: Information Security – ISBN: 978-955-23-1944-0
  • ISU5301: Industry Sustainability and Law – ISBN: 978-955-231-925-9
  • CSU5310 / COU4304: Computer Architecture
  • CSU5306: Digital Electronics
  • CSU5312 / ITU5304: Wireless and Cellular Networks
  • CSU5309: Information Security and Cryptography
  • ISU6300: IT Risk Management
  • Associate Member, Institution of Engineers Sri Lanka (IESL) – 2017–Present
  • Member, Institute of Electrical and Electronics Engineers (IEEE)
  • Member, Association for Computing Machinery (ACM)
  • Member, Engineering Council, Sri Lanka
  • Sun Certified Java Programmer (SCJP)