Under
mom law no.
Forgo ur aws and go to ur new job.
If u are in Cs what's the point in risking it
BTW
mom site already mentioned about working in notice period
If you are servins://.
mom.gov.sg/employment-practices/termination-of-employment/termination-with-notice
g notice, you are still considered an employee of your current employer.
You should check with your existing employer whether you can start work with your new employer during your notice period.