Perera began his career as a Senior Officer with the Singapore Economic Development Board’s International Business Development Division, serving first in the policy planning function supporting Singapore’s regional investments.
Perera memulai kariernya sebagai Pegawai Senior Divisi Pengembangan Bisnis Internasional pada Dewan Pengembangan Ekonomi Singapura, yang pertama melayani investasi regional dari kebijakan perencanaan fungsi pendukung Singapura.