◆ AMR / FIELD JOURNAL / 2026
WRITTEN IN-HOUSE · NOT GHOSTED
Amirus/Insights / field journal — essays, notes, reading

What we've learned
and want you to know.

Field notes from nine years of shipping software for other people. Essays on what works, short-form scribbles on what doesn't, a reading list of the books we keep giving away. No newsletters. No growth hacks. Just the record.

// On this page
  • Essays8
  • Field notes4
  • Reading list5
// Format
  • TeasersPublished here
  • Full essaysOn request
  • Post-mortemsPer incident
§ 01 — Essays

Long-form. Signed. Shared on request.

(01)

Why we prototype in production code

On the difference between a Figma screen and a thing users can click.

DesignEng culture
March 2026 12 min Full essay on request
(02)

The studio model, nine years in

What we learned running a partner-owned engineering studio.

StudioOps
Nov 2025 18 min Full essay on request
(03)

How we measure ourselves

The operating dashboards we publish to every client — and to ourselves.

SLOsMeasurement
Sep 2025 9 min Full essay on request
(04)

Retrieval is the product, not the model

Running RAG in production — chunking, evals, latency, cost.

AIRAG
Aug 2025 22 min Full essay on request
(05)

Against handoff

Design and engineering as one practice, not two.

DesignEng culture
May 2025 7 min Full essay on request
(06)

The runbook is the deliverable

Why documentation is the shape of the software.

OpsHandover
Mar 2025 14 min Full essay on request
(07)

When to pick Postgres, when to pick everything else

A data layer opinion, finally committed to paper.

DataArchitecture
Jan 2025 16 min Full essay on request
(08)

Incident post-mortems, written for the team

A template we actually use, not one that lives in a wiki.

OpsIncident
Nov 2024 10 min Full essay on request
§ 02 — Field notes

Short. Spec'd loose. Written on the train.

Three scribbles on caching

What we actually cache, what we refuse to cache, and why.

Apr 2026

Latency budgets as contracts

A budget only matters if a missed one costs someone something.

Apr 2026

Writing RFCs under 900 words

A long RFC is usually two short RFCs.

Mar 2026

The four questions in a code review

We ask the same four things every time.

Mar 2026
§ 03 — Reading list

Books we keep giving away.

Want us to write about your problem?

If your challenge is an essay we'd want to write, send it over.
Say hello
◆ Tweaks
Accent
Logo variant