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Achievement: Pull Sharkx3Achievement: YOLOAchievement: Pair ExtraordinaireAchievement: Arctic Code Vault Contributor

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ENER90/README.md

Hola, soy René

Ingeniero de Software | Backend & Full-Stack | Santiago de Chile 🇨🇱
Open to Work — Node.js · TypeScript · APIs REST · SaaS

Construyo APIs escalables y productos web con impacto real: desde backends multi-tenant hasta apps con geolocalización y tiempo real. Me importa el código limpio, la arquitectura clara y entregar valor rápido.

Stack

  • Backend & APIs: Node.js, Express, TypeScript, PHP (Symfony)
  • Frontend & móvil: React, JavaScript, React Native / Expo
  • Datos: MongoDB (Mongoose), PostgreSQL
  • Tiempo real: Socket.io, JWT, REST
  • Scraping & datos: Apify, Crawlee, Playwright, Cheerio
  • Tooling: Docker, Git, Postman, Cursor (AI-assisted)

Proyectos destacados

Repo Qué demuestra
mercadolibre-reviews-scraper Apify Actor (Store): reviews + Q&A de Mercado Libre en 6 países, TypeScript + Crawlee, sin datos personales
mercadolibre-price-tracker Apify Actor (Store): monitoreo de precios con snapshots y diff, cobro por cambio detectado
trustradius-reviews-scraper Apify Actor (Store): reseñas B2B con Playwright, anti-bot (Cloudflare) y proxy residencial
walmart-reviews-scraper Apify Actor (Store): reseñas + datos de producto de Walmart, confiable frente a PerimeterX
product-hunt-scraper Apify Actor (Store): lanzamientos de Product Hunt desde el caché Apollo SSR, sin token
chile-real-estate-scraper Apify Actor (Store): propiedades en venta y arriendo de Portal Inmobiliario y TocToc, precio en UF/CLP y por m², coordenadas
ai-review-insights Apify Actor (Store): análisis de reseñas con IA (Gemini/OpenAI, clave propia): sentimiento, pros y contras, temas y pedidos de mejora por producto
voting-polls-api API REST + JWT + roles + agregaciones
chat-api WebSockets + salas + presencia
colectivos-api / app Dominio real + geo + tiempo real
tareas-api REST + tests (Jest/Supertest) + Docker

🕷️ Todos mis scrapers publicados: apify.com/ener90

Datos rápidos

  • Idiomas: Español (nativo) · Inglés (lectura técnica)
  • Ubicación: Santiago de Chile (presencial / híbrido / remoto)
  • Enfoque: Backend limpio, datos y productos orientados a usuario

Contacto

📫 renep2010@gmail.com
💼 LinkedIn
📱 WhatsApp

Pinned Loading

  1. chat-api chat-api Public

    🚀 Real-time Chat API - Complete chat system with WebSockets, authentication and message management. Node.js + Express + TypeScript + MongoDB + Socket.io

    TypeScript 1

  2. voting-polls-api voting-polls-api Public

    🚀 Voting & Polls API - Complete voting system with authentication, user roles and real-time results. Node.js + Express + TypeScript + MongoDB

    TypeScript 1

  3. tareas-api tareas-api Public

    RESTful API to manage tasks and users, built with Node.js, Express, and MongoDB. Ideal for learning or integrating into a simple task management system.

    JavaScript 1

  4. colectivos-api colectivos-api Public

    Backend API (Node.js, TypeScript, MongoDB, Socket.io) for real-time taxi colectivo coordination

    TypeScript 1

  5. colectivos-app colectivos-app Public

    Progressive web app for Chilean taxi colectivos - Connects passengers waiting at stops with nearby drivers using real-time geolocation and Socket.io

    TypeScript 1