Experience
12+
Years shipping web and mobile products across full-stack, leadership, and automation roles.
Santiago Molina (@santi020k)
Calm systems. Clear delivery.
I’m Santiago Molina, known online as santi020k—an engineering leader and full-stack architect helping teams modernize systems, automate delivery, and improve developer experience.
AvailableAvailable for tech lead, staff-level full-stack, and engineering leadership 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.
Work Experience
Professional roles.
Client and product work where architecture, delivery systems, and team leadership mattered.
Active
Smith Commerce
Rebuilt Marcone's storefront into a faster, more accessible headless experience while giving teams room to ship independently.
Impact
- Lighthouse score improved from 35 to 98
- Time to Interactive dropped by 75%
Also worth exploring
View all work- Void.GGTechnical LeadLed architecture and delivery for a fast-moving esports platform across web, mobile, and backend systems, improving performance, release speed, and team velocity.CompletedFeb 2023 - May 2025
- X GamesSenior Full Stack EngineerBuilt 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.CompletedJan 2025 - Jul 2025
- Optic PowerSenior Full Stack EngineerShipped across gaming, SaaS, and martech products in parallel, improving API performance by 40% while supporting launches for Team Liquid, NurtureBoss, and Stardust.gg.CompletedJul 2021 - Feb 2023
Side Projects
Built for the love of it.
Open-source tools and experiments with a little more room to explore.
Active
PostLens
Built an iPhone-first private visual content studio for selecting strong photos, applying transparent on-device enhancements, composing layouts, and exporting social-ready work.
Impact
- Keeps core photo analysis, scoring, editing, and caption preparation on the iPhone
- Supports reusable formats for Instagram, TikTok, Pinterest, LinkedIn, X, and generic exports
Also worth exploring
View all projects- RoadScoreCreatorBuilt a bilingual, offline road-trip card game that turns one passenger-operated phone into a shared scoreboard, deck library, and private trip journal.ActiveAug 2026 - Present
- Lumen UICreatorBuilt a multi-framework design system with 123 accessible primitives for Astro, React, and Web Components, plus Figma, agent, MCP, and registry workflows.ActiveJul 2026 - Present
- eslint-config-basicCreatorBuilt a DX-first ESLint toolkit for JavaScript and TypeScript teams that want stronger defaults, less setup friction, and cleaner reviews.ActiveMar 2024 - Present
Writing
Thoughts on building and leading.
Notes on software, reading, gaming, and everyday discoveries.
Open-sourcing authentication without sharing accounts
Why I made @santi020k/auth-cloudflare public, how it reuses email-code and passkey policy across Cloudflare applications, and where the shared boundary deliberately ends.
Sep 25, 2026
How I Built the santi020k Developer Tool Ecosystem
How Lumen, ESLint Config Basic, Quality, Astro Doctor, Commitprompt, Dep Beacon, OG, Theme, and Auth form one practical system for my projects.
Sep 24, 2026
What Changed When I Started Writing Architecture Notes Every Month
A year of monthly architecture notes changed how I review systems, how I catch drift, and how I explain decisions to the people who inherit them.
Sep 11, 2026
Why I Moved from VS Code-Based Editors to Zed
Why Zed became my editor of choice: responsive work across multiple projects, flexible AI integrations, and Dep Beacon now available as a Zed extension.
Sep 7, 2026
Beyond the code
Speaking & Community.
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.