Jacob was born in Hereford and grew up in Lincoln. His parents are Anglo Indian and Scottish. As a multi-instrumentalist, in his early teenage years, he was involved in many local bands – starting out in jazz but soon moving on to death metal and folk.[2]
Jacob has scored a number of independent short films, documentaries and adverts. His first feature film score was for Molly Manning Walker's 2023 How to Have Sex. The film premiered at the 2023 Cannes film festival and won the Un Certain Regard prize. In 2024 it was nominated for 3 BAFTA Film Awards.