Malcolm is an award-winning screenwriter from Mansfield, whose credits include the acclaimed feature films, What Richard Did and Herself. He created and wrote C4's hit TV drama series Ackley Bridge, now in it's 5th and final series, and he has written for some of the UK's most popular dramas, including Shameless and Skins. Malcolm's ​screenplay for What Richard Did, directed by Lenny Abrahamson and produced by Element Pictures, won numerous awards including The Evening Standard British Film Award's Best Screenplay, The Writer's Guild's Best Screenplay and the Irish Film and TV Award's Best Film Script.

Malcolm co-wrote the film Herself with its star Clare Dunne. Directed by Phyllida Lloyd, reviews for the film were outstanding and it was released globally across 2021, winning Best Script at the IFTAs that year.