Rajha was born in Iraq and educated in England. After an honours degree in Mathematics, she re-trained in Theatre Design, graduating from Wimbledon School of Art in 2003. She has since worked as a freelance theatre designer and maker and has obtained a distinction in MA Scenography from Royal Central School of Speech and Drama.
Rajha has exhibited her work at the V&A Museum, part of the Society of British Theatre Designers Make:Believe Exhibition, 2015. She was selected as a finalist alongside 100 International Designers to exhibit her work at the World Stage Design, 2013. Rajha has also exhibited her work at Transformation & Revelation, 2011, the Society of British Theatre Designers’ professional UK National Exhibition of Design for Performance and in 2019 at the Prague Quadrennial & V&A’s Staging Places exhibition.