Khwaja specializes in the areas of Victorian, romantic literature and postcolonial literature and also teaches courses in creative writing. He has published critical articles on English, Postcolonial, Urdu, and Punjabi writers and edited two anthologies of Pakistani literature, translating fiction and poetry from Urdu and Punjabi into English. He has also published three volumes of original poetry and a literary travelogue about his experience as a participant in the University of Iowa's International Writing Program. A native of Pakistan, he was a practicing lawyer, professor of law, and a regular columnist for the national papers before emigrating to the States in 1994.