Pakistan began development of nuclear weapons in January 1972 under Prime Minister Zulfikar Ali Bhutto, who delegated the program to the Chairman of the Pakistan Atomic Energy Commission (PAEC) Munir Ahmad Khan with a commitment to having the bomb ready by the end of 1976.
https://en.m.wikipedia.org/wiki/Pakistan_and_weapons_of_mass_destruction
Began the program, yes.
With Muslim brain trust doing all the work? Not. Even.
Foreigners are always used. Same with all the big building projects. A muslim will be assigned as the official face of the project but he aint the one doing the actual design or engineering.