Wathsala currently serves as a Lecturer attached to the School of Psychology, Faculty of Humanities and Sciences. Her career began as a school counsellor at a leading school in Colombo. In addition to academia, she is engaged in counselling and mental health support. 

• Master's in Counselling and Psychosocial Support (MCP) - University of Colombo
• Postgraduate Diploma in Counselling and Psychosocial Support (PgDCP) - University of Colombo
• BSc (Hons) Psychology - Liverpool John Moores University, United Kingdom, affiliated with SLIIT

Best Performer - BSc (Hons) Psychology - Liverpool John Moores University, awarded at the SLIIT convocation 2024.