A decade after selling his startup, an engineer is back solo-building in the agent era

julianweisser · x · 2026-09-12

Engineer chaaai is starting up again a decade after selling his first company, building @workersio as a solo founder.

His thesis: agents can now write software faster than a 100-engineer team, and as software becomes autonomous, builders should raise their standards and own the consequences. Software has a long half-life and eventually becomes critical in unplanned ways — businesses and even lives can depend on decisions made by us or our agents.

The startup aims to democratize capabilities for building reliable, verifiably correct software systems, which only a few elite teams could afford before.

Related event: Solo founder returns after a decade to build verification for agent code(2 posts)→

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