One day before the partition of India, on 13 August 1947, Jalibi migrated to Karachi, Pakistan, where he continued his education and literary activities.

[6] In 1953, he passed Central Superior Services exams and joined Pakistan's Income Tax Department until his retirement.

[1][5] In 1949, Jalibi worked as assistant editor for about six months for Payam-i-Mashriq, an Urdu weekly published in Karachi.

[5] He performed extensive research on the history of Urdu literature and penned five chronicle volumes with the title Tareekh-e-Adab-e-Urdu, covering 15-20 centuries.

[7] Pakistan Academy of Letters published a special number on his literary achievements Dr Jameel Jalibi: Shakhsiat aur Fun.