Experience
12+
Years shipping web and mobile products across full-stack, leadership, and automation roles.
Experience
12+
Years shipping web and mobile products across full-stack, leadership, and automation roles.
Team led
14
Largest cross-functional team I have led across product, design, frontend, and backend.
Cycle Time
-75%
Reduced release lead times by optimizing CI/CD pipelines and automating quality gates.
Community
100+
Typical attendance for ReactJS Colombia meetups, workshops, and talks.
Client and product work across teams and industries.
Senior Front End Developer
Rebuilt Marcone's storefront into a faster, more accessible headless experience, lifting Lighthouse from 35 to 98 while giving teams room to ship independently.
Senior Full Stack Engineer
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.
Technical Lead
Led architecture and delivery for a fast-moving esports platform across web, mobile, and backend systems, improving performance, release speed, and team velocity.
Senior Full Stack Engineer
Shipped across gaming, SaaS, and martech products in parallel, improving API performance by 40% while supporting launches for Team Liquid, NurtureBoss, and Stardust.gg.
Open source, community work, and experiments.
Creator
Built and published a VS Code extension that brings npm dependency status, update targets, pnpm workspace catalog context, and OSV security signals into package manifests.
Creator
Designed, packaged, and published a Chrome Web Store theme that brings the Santi020k VS Code palette into browser chrome with token-mapped surfaces and zero permissions.
Creator
Designed and shipped a VS Code theme extension with matched dark and light variants, marketplace publishing, registry automation, and a focused documentation site.
Creator
Built a deterministic Astro health-check toolkit with a CLI, ESLint plugin, editor extension, GitHub Action, docs site, and installable agent skills.
Articles on architecture, automation, and engineering decisions.
Why I built Astro Doctor: a CLI, ESLint plugin, editor extension, GitHub Action, and agent skill system for catching Astro anti-patterns early.
A practical tour of the shipped @santi020k/eslint-config-basic v2.0 release: ESLint 10, one main install, lazy frameworks, lite mode, monorepos, CLI checks, and AI standards.
DX improvements that cannot be measured rarely survive long enough to compound. Treating them like product work changes that.
How to add accessibility automation to your Playwright suite in a way that is fast enough to stay in the workflow and specific enough to actually catch problems.
Co-organizing ReactJS Colombia and speaking on DX, automation, and engineering leadership at local and regional events.
ReactJS Colombia
Co-organizer
Building the local React community through meetups, workshops, and knowledge sharing.
Technical Talks
Speaker
Sharing practical insights on DX, architecture, and engineering leadership.