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Developer Experience (DX) Projects.

Projects where Developer Experience (DX) played a meaningful role in the architecture, delivery workflow, or product experience.

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Portfolio evidence
Architecture context
Delivery impact

Projects

Projects using Developer Experience (DX)

Independent builds, open-source tools, and experiments where Developer Experience (DX) shapes the product or engineering system.

Active

2026

santi020k auth

Built an open-source authentication policy for single-owner and multi-user Hono applications on Cloudflare Workers and D1, with email codes, passkeys, isolated identity state, and explicit production-readiness gates.

AstroTypeScriptPlaywright

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Active

2026

@santi020k/og

Built a renderer-agnostic Open Graph image pipeline with deterministic caching, safe cleanup, parallel generation, and CI verification while leaving every project's visual system in its own hands.

Next.jsAstroTypeScript

Active

2026

quality

Built a fast, predictable code-quality CLI and GitHub Action that detects and coordinates native analyzers across Rust, Swift, Android, Kotlin, JavaScript, and Astro repositories.

AstroTypeScriptNode.js

Active

2026

Dep Beacon

Built and published dependency tools for VS Code and Zed that bring npm dependency status, update targets, pnpm workspace catalog context, and OSV security signals into package manifests.

AstroTypeScriptNode.js

Active

2026

Santi020k Theme

Built a theme family for VS Code, Zed, Codex, Chrome, terminals, Raycast, Slack, JetBrains, and Xcode, with shared tokens and a unified product website.

AstroNode.jsVitest

Active

2026

Astro Doctor

Built a deterministic Astro health-check toolkit with a CLI, ESLint plugin, editor extension, GitHub Action, docs site, and installable agent skills.

AstroTypeScriptNode.js

Active

2024

eslint-config-basic

Built a DX-first ESLint toolkit for JavaScript and TypeScript teams that want stronger defaults, less setup friction, and cleaner reviews.

React.jsNext.jsAstro

Community

Community work using Developer Experience (DX)

Meetups, workshops, and mentorship where Developer Experience (DX) helps engineers learn and connect.

Active

2017

ReactJS Colombia

Co-organize one of Medellin's most active React communities, sustaining free meetups and workshops that drew 100+ participants at peak sessions.

React.jsTypeScriptReact Native

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Work experience

Work experience using Developer Experience (DX)

Client and product work where Developer Experience (DX) supported architecture, delivery, and measurable outcomes.

Active

2025

Smith Commerce

Rebuilt Marcone's storefront into a faster, more accessible headless experience while giving teams room to ship independently.

React.jsNext.jsTypeScript

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Completed

2023 - 2025

Void.GG

Led architecture and delivery for a fast-moving esports platform across web, mobile, and backend systems, improving performance, release speed, and team velocity.

React.jsNext.jsTypeScript

Completed

2021 - 2023

Optic Power

Shipped across gaming, SaaS, and martech products in parallel, improving API performance by 40% while supporting launches for Team Liquid, NurtureBoss, and Stardust.gg.

React.jsNext.jsTypeScript

Completed

2020 - 2021

PADS

Led the web, back-office, and mobile experience for a luxury real estate platform, growing monthly active users by 50% and improving broker workflows.

React.jsNext.jsTypeScript

Completed

2018 - 2020

Datagran

Led the front-end modernization of an AI martech platform, cutting bugs by 30% while moving the product from jQuery to a scalable React and TypeScript architecture.

React.jsTypeScriptStorybook

Projects

Independent and open-source projects where Developer Experience (DX) shaped the product or engineering system.

Community

Community work where Developer Experience (DX) supported practical learning and knowledge sharing.

Work experience

Professional roles where Developer Experience (DX) contributed to architecture, delivery, or product outcomes.