Jay trained at the Guildhall School of Music and Drama.

Theatre credits include: Silence (Donmar Warehouse & Tara Theatre), Great British Bake Off- The Musical (Everyman Theatre, Cheltenham), Hedda Gabler (Sherman Theatre), Romeo and Juliet & Richard III (Shakespeare’s Rose Theatre), Guards at the Taj (Singapore Repertory Theatre), The Cardinal (Southwark Playhouse), Ross (Chichester Festival Theatre), As You Like It, Macbeth and Romeo & Juliet (National Theatre), Imperium Part 1: Conspirator, Imperium Part II: Dictator, Othello and The Merchant of Venice (Royal Shakespeare Company), Aladdin (Stephen Joseph Theatre).

Television credits include: Our House (ITV), Casualty (BBC), Vera (ITV), Ackley Bridge Series 2 (Channel 4), The Split (BBC), Spotless (Tandem Communications / Canal Plus).