also, i am done with ECA (M.sc in life sciences), 9 years of experience in Drug safety (NOC 4165 Skill level A).

 (Speaking 7.5, Reading 8, Listening 7, Writing 7.5).

i am married + 1 infant and planning to coming with family. ECA done for Wife ( B.Tech computer science), 8 years of experience as software developer (NOC 2173 Software engineers and designers). score IELTS (Speaking 7, Reading 8, Listening 8.5, Writing 7.5).

My concern is should i file the application with my wife as a PRIMARY applicant as IT is in more demand or should i apply keeping me as primary applicant.

also, i need to know what additional i need to do for ONIP while submitting  my express entry application?

Thanks you for quick reply.