He studied agricultural engineering, but had an interest in painting when he was a middle school student. His interest turned to photography after finishing military service, and he started producing photography work in 2000.
His works have been published in various magazines, prestige annuals, books, photograph albums, calendars, postcards, and brochures. He has held numerous slide shows in many places.
His photographs have been exhibited in numerous competition exhibitions in Austria, Spain, Netherlands, Romania, Macedonia, China, Qatar, and Italy.
In 2011, his works are being preserved in Turkish Photography Museum.
He has received many awards in lots of national and international competitions, including 20th Şinasi Barutçu Competition in Turkey.
Sönmez is a member of Fotoforum and continues to be an accomplished photographer, working mainly on people, nature, and life using digital photography methods. Recently, he is working as a freelance photographer.