Blog

Notes from the work: engineering, accessibility and AI-assisted tooling

Articles drawn from my own projects: what we built, what we decided and what I would check next time.

The Siegfried satellite identity system, showing each satellite's accent, type and radius

Design Systems

25 October 2026 • 6 min read

One design system, five identities: making a family of apps feel distinct

How a shared neutral base and four deliberate axes of difference made five small demo apps look like they came from one designer without looking like reskins.

The Conquest Brain production pipeline dashboard

AI Workflows

21 October 2026 • 6 min read

Designing an AI-assisted workflow you can audit

Gated stages, plain files and a human decision at every judgement: what I learned building a documentary production pipeline and a markdown story bible.

WordPress

17 October 2026 • 6 min read

From WordPress to a custom stack: knowing when to leave, and what to keep

Three WordPress projects and one rebuild. When a theme stops being the right tool, when it is still the best one, and what carries over.

Accessibility

13 October 2026 • 7 min read

Accessibility as an engineering constraint, not a checklist

WCAG 2.2 decisions on a church website in four languages, including Arabic: contrast, focus, reduced motion, right-to-left layout, fallback fonts and forced colors.

Siegfried architecture, from markdown files to search and live project status

AI & Retrieval

9 October 2026 • 5 min read

Retrieval only, no generation: why my personal RAG returns chunks instead of chatting

The design of the search over my markdown vault in Siegfried, why it stops at ranked chunks, and where generation on top of retrieval makes sense.

Architecture

5 October 2026 • 6 min read

Mock-first integrations: building against vendors you cannot count on

How a telehealth platform with fourteen external integrations stayed buildable without credentials, and what a mock has to do before you can trust it.

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I'm always excited to take on new projects and collaborate with innovative minds.
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+34-643-529-116

joshuerubio@gmail.com

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Notes from the work: engineering, accessibility and AI-assisted tooling

One design system, five identities: making a family of apps feel distinct

Designing an AI-assisted workflow you can audit

From WordPress to a custom stack: knowing when to leave, and what to keep

Accessibility as an engineering constraint, not a checklist

Retrieval only, no generation: why my personal RAG returns chunks instead of chatting

Mock-first integrations: building against vendors you cannot count on

Get in touch

+34-643-529-116

joshuerubio@gmail.com

@joshrubio

Josh D. Rubio

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