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RROEI/TECH
INSIGHTS

Notes on architecture,
AI systems and
product engineering.

Longer-form pieces from projects in production. We publish when we have something worth saying, not on a schedule.

TOPICS
AI · SaaS · Architecture · Product
CADENCE
As-warranted
AUTHORED BY
The studio
NEXT
Q2 · 2026
  • 01 / 2026 · 03 · 12
    AI SYSTEMS

    Groundedness is a product problem, not a model problem.

    How we design retrieval and evaluation harnesses so LLM answers stay attached to real sources.

    8 min read
    COMING SOON
  • 02 / 2026 · 02 · 27
    SAAS ARCHITECTURE

    Multi-tenant Postgres without regretting it at year two.

    Row-level security, per-tenant migrations, and the ops story we recommend for growing platforms.

    12 min read
    COMING SOON
  • 03 / 2026 · 02 · 04
    PRODUCT

    Scope cut-lines: how we ship in six weeks without shrinking the product.

    A short field guide to sequencing scope so the first release is real, not a slice.

    6 min read
    COMING SOON
  • 04 / 2026 · 01 · 18
    AI SYSTEMS

    A minimal evaluation harness that survives production.

    Golden sets, LLM-judge scoring, regression alerts — with the boring parts made cheap.

    10 min read
    COMING SOON
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