Omer has been involved in Islamic sciences since 1990, teaching Islamic theology in various study circles and platforms. He has published several articles in Islamic journals and other publications on various topics from history, science and religion, theology, and philosophy. He is a reviewer for 2 academic journals and a co-supervisor for PhD students. He has delivered speeches at academic and public conferences at Melbourne, La Trobe, Deakin, Victoria, and Charles Sturt Universities, as well as public venues, on topics including Islam, theology, and science. He has delivered online speeches for universities around the globe, participated in discussions on several popular YouTube channels, and continues to do so.

Omer also contributed to intercultural and interfaith projects through activities of the Australian Intercultural Society from 2002 to 2010. He was the managing editor of Fountain Magazine from 1993 to 1995 and published several articles in both Fountain and Sizinti. In 2010, he was the managing editor of the Selimiye Bulletin.

Omer has also published 9 books, edited 16, and translated 5. His latest book is based on his PhD thesis, titled “Predestination and Free Will – A Comparative Study”.

Omer is a recipient of several awards for his contributions to education, Islamic studies, intercultural dialogue, social harmony, and inclusiveness. He is currently an academic and lecturer at Charles Sturt University.