Jesica Sen was born on 3rd October 1988 in Kolkata, West Bengal, India to Bengali parents, Shri Ajit Kumar Sen and Smt.Sarama Sen.She spent her childhood and teens in South kolkata and at present she is staying there.She completed her schooling and entire academic career in Kolkata, West Bengal. She is an MA in English, acquired B. ED and D. El. Ed and at present is a Govt. school teacher in Kolkata.
She belongs to a family who worship music. At the age of 5 she started learning music from her 1st guru, her mother. After that she started getting formal training in Hindustani classical music from her Guru Shri BasudebRoy. She continued her training to him for long 16years.She has also been a student of Dakhshini. After that Jesica started taking formal guidance on Bengali Aadhunik songs from her Guru Shri Tunai Debasish Ganguly and later on initiated her vocal training from her Guru Shri Debajyoti Mishra.