Dey began her professional career in 2011 as a theatre artist and subsequently expanded into working across various mediums including films, web-series, and television.
She has completed M.A in Kathak dance from Bharati Vidyapeeth Pune and in acting from the London School of Dramatic Art.
During this time, actor Sameer Khandekar invited her to create a video for his YouTube channel 'Asowa,' to which she agreed.
The video garnered a positive reaction, prompting her to opt for Maharashtrachi Hasyajatra over Vishakha Subhedar.
[5] In 2024, Esha shared the screen with Ranveer Singh for a Dalmia cement commercial.