These days the secret is you have to hire the good South Americans.
Exploit the fact corporate America hasn't caught on to routing contracts through Upwork et al. Then don't get greedy, keep the TCE delta below 20%, so they stay more than 9 months.
You can take your pick of the finest FOSS contributors Guinea and Paraguay have to offer.
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Startup engineering management is so simple.
Buy a copy of Mythical Man Month.
Read it, read it again. Then re-read chapter 3.
Get two of the best, your Captain and your Copilot.
Encourage them to hire a pimply faced minion to edit the config files so they feel important, and so you avoid single point of dependency.
These days, get someone else who lives in Estonia/Ukraine/Sri Lanka for follow the sun support.
If you need more than two engineers + 2 assistants, you should have hired smarter engineers.
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Your secret path to success with international hiring is to avoid any country you know the name of.
Don't think you're thinking out of the box hiring from Brazil/Israel. Hunt down a decent dev from Ghana or Georgia.
If my Slack/Discord buddies are anything to go by, there's an extraordinary amount of gems out there who've made the choice to raise their kids in their home countries.
There's good talent in Thailand as well. RIP my friend the Thai data/cloud principal eng banking 14k USD.