The Backend Concepts Nobody Explains Properly

And why your senior dev sighs every time you ask about them So here's the thing. You've been writing code for a while now. Maybe a year, maybe two. You can build a REST API, you know what a database is, you've definitely Googled "how to fix CORS error" at least 47 times. You're getting there. But then someone in a meeting drops a word like idempotency or eventual consistency and suddenly everyone's nodding like they totally get it, and you're just sitting there smiling and thinking — what the he