AI Eliminates the Marginal Hire: How Artificial Intelligence is Reshaping Tech Workforce Demand

AI tools like Cursor, Claude Code, and Copilot are eliminating the need for marginal hires in tech companies, causing a reset to lower baseline headcount despite recent job posting increases. Companies are achieving productivity goals with existing teams rather than adding planned engineers, creating an invisible restructuring happening one unposted job at a time. This trend will likely accelerate during economic downturns or board pressure, fundamentally changing how companies build and operate.