Thanbeer is an English Language teacher at S.M.K. Seri Hartamas, Kuala Lumpur. She is also the International Relations Coordinator and Student Affairs Coordinator. She believes in learning by doing and heads the Interact Club that organises an array of activities and campaigns throughout the year and raises funds for a selected benefactor annually to create awareness among students on global and current issues, bridge the gap between school and the real-world as well as improve their English language proficiency. Thanbeer was a teacher-mentor to trainee teachers and Master Trainer for CEFR selected by Ministry of Education (MOE) in collaboration with Cambridge English (Language Assessment), where she trained teachers to adopt CEFR in the teaching of English Language in Malaysia. She has also served as an Assistant Director in the Language Assessment Unit at the Examinations Syndicate, MOE, Malaysia.