Slack's first employee: agentic coding is my biggest career shift since 1994

josh_wills · x · 2026-10-21

Slack's first employee John Rodgers and early engineer James Scheinblum describe how they build at Supernice: no more first commits, living specs as the single source of truth maintained by AI agents. With tribal knowledge eliminated, engineers focus on architecture and product taste. Rodgers calls agentic coding the biggest shift in his programming career since hand-crafting HTML in 1994 — moving past typing syntax into managing systems.

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