Vibe Coding Saved My Client ₹2.4 Lakh — By Replacing a Junior Developer's Typing, Not Their Job

A client called me last month with a hiring problem. His senior developer was drowning. Every new feature followed the same painful loop — write detailed specs, hand them to the junior dev, wait through three review cycles, fix the mistakes, and finally ship two weeks later. The junior developer was essentially a spec-to-code translator. Necessary, but slow. He was about to post a job listing for a second junior developer. Salary: ₹2.4 lakh for six months. Plus onboarding time. Plus the senior dev spending 30% of their day reviewing beginner-level code. I told him to wait one weekend. What Actually Happened That Weekend The senior developer spent Saturday and Sunday learning vibe coding with Claude Code — Anthropic's terminal-based AI coding assistant. Not watching tutorials. Not reading documentation for hours. Just building. By Monday, the workflow had completely transformed. Before vibe coding: Senior dev writes a two-page spec document. Junior dev interprets it (sometimes incorrect