Both have equal probability of securing a Job. Getting a Campus Placement, more than your Specialization, would depend on the persons Internships & Projects, Communication, Aptitude & Inteview Skills, Competitive Programming, Data Structures & Algorithms and other skills be it in Web Development or maybe ML. Apart from that you definitely have the luck factor and competition. Hence, you may take the ML & AI Specialization if somewhere you want broader prospects and curriculum ranging from CSE to AI otherwise, you may go with the CSE Core Branch.