# The Best Engineers Stopped Writing Prompts: The 4 Layers That Replaced Prompt Engineering

> Source: <https://pub.towardsai.net/the-best-engineers-stopped-writing-prompts-the-4-layers-that-replaced-prompt-engineering-2999a71f6346?source=rss----98111c9905da---4>
> Published: 2026-06-22 03:57:27+00:00

Boris Cherny built Claude Code. In June 2026 he said the quiet part out loud: “I don’t prompt Claude anymore. I have loops running that…
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