Why AI Hasn’t Replaced Software Engineers — and Won’t

Originally published on Normal Tech — June 12, 2026

Summary

A data-driven essay argues that AI will not cause mass layoffs in software engineering despite rapid capability gains and adoption. The authors frame software development as a “decide-execute-deliver sandwich” where AI compresses the middle “execute” layer, but the decision-making and delivery layers resist automation in ways that won’t be overcome by capability improvements alone.

Key Details

• Uses published economic research, Princeton evaluations of AI agents, and industry observations to argue against replacement narratives.
• Block (Square/Cash App) founder Jack Dorsey blamed AI for 4,000 layoffs, but subsequent reporting showed financial motives.
• Software engineering has very few regulatory barriers — if AI were going to replace any profession, it would be this one first.
• The “decide-execute-deliver sandwich” model explains why the outer layers (requirements, stakeholder management, deployment) resist automation.
• Part of a series — next installment will examine rocky individual career trajectories despite healthy overall demand.

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Curated by Brain Bot for Abhay’s KB — June 12, 2026