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JavaScript Projects.

Projects where JavaScript 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 JavaScript

Independent builds, open-source tools, and experiments where JavaScript shapes the product or engineering system.

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

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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

Completed

2023 - 2024

eslint-config-santi020k

Turned internal linting conventions into a reusable package that standardized React and TypeScript projects and paved the way for @santi020k/eslint-config-basic.

React.jsNext.jsAstro

Community

Community work using JavaScript

Meetups, workshops, and mentorship where JavaScript 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 JavaScript

Client and product work where JavaScript supported architecture, delivery, and measurable outcomes.

Completed

2025

X Games

Built and scaled the official X Games digital platform — a high-traffic sports media site serving millions of fans — with real-time live streaming, geo-based access control, and a programmatic ad infrastructure powered by Google Ad Manager.

React.jsNext.jsNode.js

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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

2019

TEDx Medellin

Served as Volunteer Technology Coordinator for TEDx Medellin 2019, launching the WordPress event site and supporting a sold-out edition with Justbit-led UI and visual work.

WordPressJavaScriptContent Strategy

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

Completed

2017 - 2018

Justbit.site

Co-founded a boutique software studio that shipped 10+ client launches in its first year and helped selected clients grow organic traffic by up to 70%.

React.jsTypeScriptNode.js

Completed

2014 - 2017

Nebular Technologies

Shipped client web, Android, and commerce products across Rails, AngularJS, Java, and WordPress, building the release discipline and full-stack range I still rely on today as a senior engineer.

TypeScriptPostgreSQLMySQL

Projects

Independent and open-source projects where JavaScript shaped the product or engineering system.

Community

Community work where JavaScript supported practical learning and knowledge sharing.

Work experience

Professional roles where JavaScript contributed to architecture, delivery, or product outcomes.