Shaan Rahman is best known for his compositions in Malayalam cinema, with films such as Malarvaadi Arts Club (2010), Oru Vadakkan Selfie (2015) & Velipadinte Pusthakam (2017) to name a few. His song 'Jimikki Kammal' in the film Velipadinte Pusthakam got accepted nationwide with so many alternative versions of it being released online.
Shaan Rahmaan made his debut as a music director in the 2009 film Ee Pattanathil Bhootham directed by Johny Antony. His third film as music director was Thattathin Marayathu (2012), directed by Vineeth Srinivasan. In 2014, he made his Telugu debut with Saheba Subramanyam which is the remake of Thattathin Marayathu. Rahmaan is also a singer and has sung songs for music director Deepak Dev in films like Urumi, Teja Bhai & Family'.