Comment by ksec

4 hours ago

WhatsApp managed both Android and iOS App along with backend serving half a billion customers with only 40 engineers.

And that was at a time they had to fix a lot of things and scabbily issues by themselves. Now FreeBSD, Erlang, CPU, SSD, RAM babe all improved a lot.

I honestly struggle to see why they need many floors of developers just for messenger.

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