Here’s the reality:
• It all starts with a technical design document, almost like a PRD.
• That doc gets torn apart and rewritten multiple times by senior engineers.
• Once it’s solid, the build is broken into sprints so devs and AI assistants don’t get overwhelmed.
• Only then does coding begin... but with a twist. They write the tests first.
• AI generates the code. If it doesn’t pass the tests, it doesn’t ship.
• Everything still goes through manual code review and staging before production.
The result? About 30% faster shipping speed.
Not 90%. But here’s the thing: 30% saved at FAANG scale is enormous. And even more importantly — it prevents the classic trap of shipping spaghetti code 90% faster, only to debug it 90% slower.