Ah, the beautiful delusion of Day 1. "I'll quickly get up and running..." they say, right before meeting the crimson wall of dependency hell. What they don't tell you in the interview is that your first two weeks will be spent wrestling with environment setup, missing packages, incompatible versions, and permission errors that make you question your career choices. The real coding challenge isn't algorithms—it's getting your development environment to stop screaming at you in angry red text. By the time you actually write your first line of production code, you'll have aged approximately 7 years.