rigami.
/// Insights

Notes from
the shipping floor.

Plain-language writing on mobile, AI, real-money gaming, auctions and culture-forward product engineering — by the people who ship.

2026-02-24
Custom Software

How to hire a custom software development company in 2026

The signals to look for, the red flags that hide in the sales deck, and the questions that separate a shipping team from an agency that will disappear after month three.

10 min read
2026-02-23
Custom Software

Build vs buy: when to build custom software in 2026

The single most misdiagnosed decision in enterprise software. Here's the framework we use with every client — and the four cases where 'build' is almost always the right answer.

8 min read
2026-02-22
Custom Software

SaaS MVP development in 90 days — the actual playbook

The MVP that ships is the one you scoped honestly on day one. Here's the exact week-by-week plan we use with VC-backed founders to get to a paying customer in a quarter.

9 min read
2026-02-21
Custom Software

Legacy modernization without the big-bang rewrite

The rewrite is the wrong instinct. Here's the strangler-fig pattern applied to real enterprise codebases — with a working 24-month roadmap and the traps that kill most modernization projects.

11 min read
2026-02-20
Healthcare

HIPAA-compliant software development — what actually matters

BAAs, encryption, audit trails and 'HIPAA compliance' — separating the substance from the compliance theatre. What auditors actually check, and what shipping teams should actually build.

10 min read
2026-02-19
Healthcare

FHIR-first — building modern healthcare integrations in 2026

HL7 v2 is the past, FHIR is the present, and every serious healthcare integration project in 2026 is at least partly on FHIR. The pragmatic starting guide.

9 min read
2026-02-18
Healthcare

AI in healthcare — five use cases that actually ship (and five that don't)

The healthcare AI hype is bigger than the market. Here are the LLM and ML use cases we've seen deployed to production in real health systems — and the ones that reliably die in pilot.

10 min read
2026-02-17
Healthcare

Prior authorization automation with AI — the practical playbook

The most annoying task in US healthcare admin. LLMs are unusually well-suited to it — if you deploy them correctly. Here's the pattern we've seen work in production.

8 min read
2026-02-16
EDI

What is EDI? The 2026 guide to Electronic Data Interchange

EDI still moves trillions of dollars of B2B trade every year — and quietly runs healthcare, banking, retail and logistics. A plain-language guide to what it is, how it works, and where it's going next.

12 min read
2026-02-15
EDI

EDI vs API integration in 2026 — when to use each

'Just use an API' works when both sides agree. When your trading partner is a 40-year-old distributor with an AS2 endpoint and a phone number, EDI still wins. Here's how we decide.

8 min read
2026-02-14
EDI

EDI modernisation with AI — what actually works

Trading-partner mapping in minutes instead of weeks. Rejection triage in plain English. Anomaly detection that fires on Monday morning, not Wednesday. The pragmatic AI wins for EDI teams.

10 min read
2026-02-13
EDI

EDI 850 Purchase Order — a plain-language explainer

The single most common B2B document in North American retail. What every segment means, why the format looks the way it does, and how to send one that doesn't get rejected.

7 min read
2026-02-12
EDI

HL7 vs X12 — the two EDI worlds inside healthcare

The same claim moves through both. HL7 handles clinical data; X12 handles the money. Confusing the two is one of the fastest ways to lose credibility in a healthcare integration meeting.

8 min read
2026-02-10
Mobile

Why mobile-first is still the right call in 2026

The web got fast again and AI got useful, but the first tap of the day still happens on a phone. Here's how we think about mobile-first for culture-forward brands.

6 min read
2026-02-02
AI

Shipping LLM features without shipping a demo

Most LLM features look great in a demo and fall apart in production. Here's the observability, eval and rollback stack we wrap around every AI feature.

9 min read
2026-01-20
Gaming

Class II vs Class III: what operators actually need

A plain-language walk-through of Class II bingo mechanics and Class III RNG — and the engineering surface that each one demands.

11 min read
2026-01-08
Commerce

Auctions are a design problem before they're an engineering one

What we learned building HipHopGrails — why bid mechanics, anti-snipe and event run-of-show are UX concerns first, systems concerns second.

7 min read
2026-02-18
Auctions

Why .NET + Azure is still the right call for high-value auctions

Node and Postgres get the blog posts. For high-value auction platforms, the boring stack is still winning — and here's why we doubled down on .NET and Azure for HipHopGrails.

8 min read
2026-02-14
Operating

The case for senior-only delivery — what 7 years and 40 engineers taught us

Most agencies sell juniors at senior rates. We sell seniors at senior rates and ship in a quarter what pyramid agencies ship in a year. Here's why the model works.

7 min read
2026-02-08
Mobile

How we evaluated React Native vs native after 9 mobile builds

We've shipped 9 production mobile apps in the last 4 years — some React Native, some fully native. Here's the decision framework we now use, with the trade-offs that actually matter.

10 min read