Here are several website that you can use to find job vacancy, job opening, internship, or other:

51jobs.com
apec.fr

#Philiphine
bestjobs.ph

cadremploi.fr
careerWeb.co.za
Careerbuilder.com
Craigslist.org
Dice.com

#Recommended:
GlassDoor.com

Handshake.com
Indeed.com
InfoJobs.net
Linkedln.com
Monster.com
Naukri.com
Profesia.sk
Reed.co.uk
TheLadders.com
TotalJobs.com
Xing.com
eJobs.ro

#Direct Company Website:
https://careers.microsoft.com/us/en/search-results
https://apply.workable.com/dable