The best way to find a job anywhere, not just SG is through NETWORK. 1 position in JobStreet or LinkedIn with >200 applicants you can forget about getting the job

TS, since you mentioned your siblings are all in SG, you should get their help to forward your CV

I know one acquaintance who follow his wife furthering study in UK - he landed a Design Engineer job there. All because they network around with church goers there. It’s nearly impossible for foreigners to apply to jobs in U.K. using just M’sia Bachelor degree but he got it so easily!