data5amurai Labs

From websites
to serious
applications.

An agentic solutions architect. We build custom software end to end — from marketing sites through domain-specific applications.

Get in touch → What we build

What we build

From the marketing site to the engine room.

Every engagement is custom and built end to end. AI agents are core to how we deliver — smaller teams, faster shipping, fewer compromises.

Websites

Marketing sites, landing pages, and content systems. Fast, accessible, built so the team that owns the content can edit it without a developer in the loop.

Custom applications

Internal tools, dashboards, integrations, and full CRUD systems. Built on the modern stack and operated by the team that ships them.

Domain-specific software

Deep, opinionated software for industries we go deep on — billing engines, compliance tooling, vertical workflows. BillingIQ is the first in-house example.

Products

What we're building.

In development

BillingIQ

A first-principles billing engine for U.S. retail energy.

Retail energy
Learn more →
More to come

In-house products

Additional in-house products will follow BillingIQ as the practice deepens in the industries we work in.

The practice

Custom software, built end to end.

data5amurai Labs is an agentic solutions architect. We take on client work that ranges from marketing sites to complex domain applications — owning design, implementation, and operations end to end. We also build our own products: BillingIQ is the first.

Read more →

Program

  • 01 In development BillingIQ Billing engine for U.S. retail energy

Latest

Field Notes.

Read all →
Research #

5th Circuit composition shifted more than you'd think, 2020-2024

Between 2020 and 2024, the Fifth Circuit went from a 12-5 Republican-appointee majority to a 12-5 Republican-appointee majority. Same numbers, different people — four retirements and four new appointments in the span. That surface-level stability hides a real shift: the new appointees are a decade younger on average, and two of the retirees were the panel’s swingier votes.

Why this matters for practitioners: panel-draw strategy doesn’t age as well as it used to. Models trained on 2018-era appointee behavior will mispredict 2026 panels. We’re rebuilding our judge-profile baselines on opinions from 2023 forward.

Have a project in mind?

Send a note. We reply to every inbound within a few business days.