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- 15+ years building web & mobile products — 9+ years deep in React, TypeScript, and Node.js
- Shipped for The Walt Disney Company, GoDaddy, Walgreens, and Universidad del Valle, always on remote-first agile teams
- Recent focus: AI integrations in production (OpenAI API, MCP servers, LLM-powered workflows) and healthcare frontends (FHIR-based clinical modules)
- Bilingual English/Spanish, based in Colombia (GMT-5) — perfect overlap with US time zones
🇺🇸 English
Senior JavaScript engineer specialized in React and Node.js. I build complex frontend architectures — dynamic modules, graph-based UIs, design systems — with strong attention to performance, accessibility (WCAG), and DX. On the backend I work with GraphQL, REST, and serverless AWS. Lately I've been integrating AI into real products: assistants, content tools, and MCP server integrations.
🇨🇴 Español
Ingeniero senior de JavaScript especializado en React y Node.js. Construyo arquitecturas frontend complejas — módulos dinámicos, UIs basadas en grafos, design systems — con foco en performance, accesibilidad (WCAG) y DX. En backend trabajo con GraphQL, REST y AWS serverless. Últimamente integro IA en productos reales: asistentes, herramientas de contenido e integraciones con servidores MCP.
| Achievement | |
|---|---|
| ⚡ | ~35% faster page loads at GoDaddy via code-splitting and lazy loading — Lighthouse scores from mid-60s to 90+ |
| 🚀 | 40% lower average server response time in high-traffic environments through caching strategies and CDN (CloudFront) optimization |
| 📈 | Built API integrations (Node.js + GraphQL) supporting a data layer with 50,000+ daily requests |
| 🧱 | Designed and shipped design systems with accessibility and testing baked in (Storybook + RTL), speeding up delivery across squads |
| 🏥 | Built FHIR-based clinical modules for healthcare platforms, working within HIPAA-compliant environments |
| 📱 | Released React Native apps end to end: CI/CD, store release process, monitoring, and OTA updates |
Frontend
Backend & Data
Cloud, DevOps & Testing
| Area | Details |
|---|---|
| 🤖 AI | OpenAI API, MCP (Model Context Protocol) servers, LLM-driven features, embeddings, RAG basics |
| 🧪 Testing | Jest, React Testing Library, Playwright, Cypress |
| ☁️ AWS | S3, ECS, Lambda, EC2, CodePipeline |
| 📱 Mobile | React Native, OTA updates, store release pipelines |
- 🤖 AI-augmented experiences: chat, assistants, and content tools with OpenAI, Ollama, and MCP integrations
- 🏥 Healthcare frontends: FHIR resources, clinical workflows, and compliance-aware UI patterns
- 🧪 Developer productivity: Playwright E2E at scale, Storybook, component libraries, and CI/CD gates
✈️ A side project: a React Native app for pilots and drone operators in Latin America (weather/METAR, checklists, flight logbook)
|
🧩 Dynaforms
Builds forms dynamically from an array of field-definition objects. Schema-driven UI in practice. |
⚡ Rovers UI
Web app exploring positions and image galleries of Mars rovers via NASA's API. |
🤖 AI Playground
Demo integrating the OpenAI API with a React frontend. |
💬 Want more detail? Check my LinkedIn or reach out for a portfolio walkthrough.
- Product mindset: collaborate closely with PM/Design, write clear tickets, ship small and safe increments
- Quality first: testing pyramid, observability, and CI/CD gates as non-negotiables
- Collaboration: code reviews with empathy, mentoring (ex-ReactJS mentor at Acamica), and documentation as a first-class citizen
