Raji’s theatre work began with the lead role of Frank in the Glasgow Citizens studio production of "The Wasp Factory" and in their main house as Mowgli in "The Jungle Book". His Shakespeare roles include Puck in "A Midsummer Night’s Dream" (Sherman Theatre, 1992) Sebastian in "Twelfth Night" (Bedford Open Air, 1994) and Paris in "Romeo and Juliet" (Colchester Mercury, 1995). In 1993, Raji was the male lead, Hashim, in the Bush Theatre production of Backstroke in a Crowded Pool. Raji returned to the Glasgow Citizens in 1998 to play Tom Randal in the extravagant revival of Mae West’s "The Pleasure Man".