Born in Plymouth, Devon, Ahmadi is known for her role as Shabnam Masood in the British television series EastEnders from 2007–2008. In 2008, she appeared on an EastEnders-themed episode of The Weakest Link where she was voted off in the seventh round.
She played Sabia in Britz following which she played Nasreen in King of Hearts at the Hampstead Theatre. She appears in the IFC series The Increasingly Poor Decisions of Todd Margaret and also appeared in the 2010 film Tamara Drewe. In 2013, a second series in 2015 and a third in 2017, she played Sinem in the BBC Two television series Count Arthur Strong and also appeared in a small role in Doctor Who episode "Nightmare in Silver". In 2014, she portrayed the role of Gita in the feature-length Christmas special of Black Mirror (2014) entitled "White Christmas".
