Shani trained at the Royal 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 DJed on several radio stations.
For television, Shani has worked on The Honourable Woman and Silent Witness, and in film, she has appeared in various shorts. She has recently appeared her first feature film, American Assassin, directed by Michael Cuesta and produced by CBS and Lionsgate, alongside Michael Keaton.
She can next be seen in the BBC adaptation of John Le Carré's The Little Drummer Girl for The Ink Factory, directed by Chan-wook Park which screened at the 2018 BFI London Film Festival and is currently airing on BBC One.