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Thoughts

Notes on design engineering, agentic systems, and the seams where the two meet.

  • June 11, 2026

    I have been building products since before the internet was everywhere

    People hear “AI-native builder” and assume I arrived recently. Before the internet was in every home I was shipping a real-estate catalog on a mini CD every month. The tools kept changing; the instinct never did.

    Juan PisanuRead→
  • March 26, 2026

    What I learned running a newsroom of one agent and nineteen steps

    A newspaper with no journalists: one autonomous agent and nineteen deterministic steps, arranged like an actual editorial hierarchy, publishing on their own. Four lessons from building it, and why most of the answers were not in the model but in the architecture around it.

    Juan PisanuRead→
  • December 25, 2025

    Code to canvas, and back again

    For twenty years the handoff between design and code was where quality went to die. That wall is gone, and most people have not noticed yet. On moving work to whichever medium answers the question, and why taste got more valuable, not less.

    Juan PisanuRead→
  • September 16, 2025

    The hard part was never the typing

    The agent will happily give you code that runs. Running was never the hard part. On what actually changed when I stopped writing most of the code by hand, and why judgment is the part a machine cannot take.

    Juan PisanuRead→

Design engineer.

Scope. Design. Build. Ship.

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Tell me what you’re building, or what you’re stuck on. I read everything and reply myself.