Shani trained at the Central School of Speech and Drama. She is native Israeli and can speak fluent Hebrew. As well as a body of work in Israel her stage work in the UK includes Orestes at The Southwark Playhouse, Twelfth Night at The Minack and Midsummer Night's Dream at The Southbank Centre. She has also worked with a number of theatre companies including The Paper Birds, Dash Theatre and Loitering with Intent Theatre Company. She works a great deal in radio and has hosted and DJ ed on several radio stations.
For television, Shani has worked on The Honourabel Woman and Silent Witness, and in film, she has appeared in various shorts. She has recently finished filming her first feature film, American Assassin, directed by Michael Cuesta and produced by CBS and Lionsgate, which is set for release in 2017.