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He trabajado con clientes de Workana, startups y compañías consolidadas, construyendo sistemas estables, escalables y pensados para crecer en el tiempo.
Domino Laravel, Node.js, Vue.js, React.js y el desarrollo de API RESTful de alto rendimiento, integrando servicios de terceros y optimizando bases de datos para aplicaciones con alto volumen de usuarios y datos. También tengo experiencia en desarrollo móvil con Android (Java) y React Native, asegurando interfaces intuitivas y experiencias fluidas en cualquier dispositivo.
Mi diferencial como freelance es que no solo escribo código: entiendo el negocio, traduzco las necesidades en soluciones concretas y acompaño todo el proceso con comunicación clara, metodologías ágiles y foco en resultados.
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? Servicios que ofrezco
1. Backend API Services
    •    Desarrollo y optimización de APIs escalables en Node.js, Express, NestJS y Laravel.
    •    Arquitecturas basadas en microservicios y event-driven.
    •    Integración con servicios externos (pagos, autenticación, logística, CRMs, ERPs).
    •    Optimización de consultas SQL, modelos y performance en PostgreSQL, MySQL y MongoDB.
    •    Seguridad: JWT, OAuth2, rate limit, auditoría, logs y buenas prácticas.
2. Desarrollo de Aplicaciones Móviles
    •    Apps nativas e híbridas en React Native y Flutter.
    •    Integración con APIs externas, notificaciones push, autenticación y dashboards móviles.
    •    Aplicaciones para e-commerce, salud, educación y consumo masivo.
3. Front-End Development
    •    Interfaces modernas con React.js, Next.js y Vue.js.
    •    Dashboards administrativos, plataformas SaaS, paneles responsivos para web y móvil.
    •    Animaciones, carga optimizada, SSR y SEO técnico.
4. Escalabilidad & Optimización
    •    Adaptación de sistemas para soportar mayor volumen de usuarios y datos.
    •    Migración a la nube (AWS, GCP, DigitalOcean).
    •    Balanceo de carga, colas de mensajes, CDN, caching y CI/CD.
    •    Auditoría técnica de proyectos existentes para mejorar arquitectura, código y performance.
? Proyectos en los que he trabajado

? Plataforma de integración logística y e-commerce
Desarrollo de APIs para sincronización de inventarios, órdenes y facturación automática entre tiendas online, proveedores y sistemas contables.
Stack: Node.js, NestJS, PostgreSQL, n8n, AWS.

? App móvil para streaming y contenido educativo
Aplicación híbrida para Android/iOS con sistema de login, perfiles, consumo de contenido, player personalizado y panel administrativo.
Stack: React Native, Node.js, MongoDB, JWT.

? Sistema de gestión médica (telemedicina + expedientes)
Agenda de citas, videollamadas, expedientes digitales, pagos en línea y recordatorios automáticos.
Stack: Laravel, React, PostgreSQL, WebRTC.

? Plataforma de cursos con membresías
Integración de pagos recurrentes, cursos, lecciones, estadísticas de avance y panel para instructores.
Stack: Next.js, Node.js, Stripe, PostgreSQL.

? App para empresa de logística (tracking en tiempo real)
Registro de paquetes, QR, tracking, rutas y panel para administradores.
Stack: Flutter, NestJS, MySQL, Google Maps API.

? Automatización empresarial con IA
Implementación de flujos automáticos para clasificación de documentos, validación de datos y generación de reportes usando APIs de IA.
Stack: Node.js, Python, OpenAI, AWS SQS/SNS.

? ¿Por qué trabajar conmigo?
    •    Experiencia real en proyectos complejos y de alto tráfico.
    •    Autonomía total: puedo liderar, proponer soluciones y ejecutar.
    •    Comunicación clara dentro de Workana.
    •    Enfoque en negocio: no solo escribo código, construyo productos.
    •    Entrega por etapas con avances verificables.","rawText":"Soy Gio Álvarez, Desarrollador Full Stack freelance con más de 7 años de experiencia creando soluciones tecnológicas para empresas, startups y emprendedores. Trabajo con metodologías ágiles, comunicación constante y un enfoque práctico: entregar software estable, escalable y alineado a los objetivos del negocio. ? Servicios que ofrezco 1. Backend API Services • Desarrollo y optimización de APIs escalables en Node.js, Express, NestJS y Laravel. • Arquitecturas basadas en microservicios y event-driven. • Integración con servicios externos (pagos, autenticación, logística, CRMs, ERPs). • Optimización de consultas SQL, modelos y performance en PostgreSQL, MySQL y MongoDB. • Seguridad: JWT, OAuth2, rate limit, auditoría, logs y buenas prácticas. 2. Desarrollo de Aplicaciones Móviles • Apps nativas e híbridas en React Native y Flutter. • Integración con APIs externas, notificaciones push, autenticación y dashboards móviles. • Aplicaciones para e-commerce, salud, educación y consumo masivo. 3. Front-End Development • Interfaces modernas con React.js, Next.js y Vue.js. • Dashboards administrativos, plataformas SaaS, paneles responsivos para web y móvil. • Animaciones, carga optimizada, SSR y SEO técnico. 4. Escalabilidad & Optimización • Adaptación de sistemas para soportar mayor volumen de usuarios y datos. • Migración a la nube (AWS, GCP, DigitalOcean). • Balanceo de carga, colas de mensajes, CDN, caching y CI/CD. • Auditoría técnica de proyectos existentes para mejorar arquitectura, código y performance. ? Proyectos en los que he trabajado ? Plataforma de integración logística y e-commerce Desarrollo de APIs para sincronización de inventarios, órdenes y facturación automática entre tiendas online, proveedores y sistemas contables. Stack: Node.js, NestJS, PostgreSQL, n8n, AWS. ? App móvil para streaming y contenido educativo Aplicación híbrida para Android/iOS con sistema de login, perfiles, consumo de contenido, player personalizado y panel administrativo. Stack: React Native, Node.js, MongoDB, JWT. ? Sistema de gestión médica (telemedicina + expedientes) Agenda de citas, videollamadas, expedientes digitales, pagos en línea y recordatorios automáticos. Stack: Laravel, React, PostgreSQL, WebRTC. ? Plataforma de cursos con membresías Integración de pagos recurrentes, cursos, lecciones, estadísticas de avance y panel para instructores. Stack: Next.js, Node.js, Stripe, PostgreSQL. ? App para empresa de logística (tracking en tiempo real) Registro de paquetes, QR, tracking, rutas y panel para administradores. Stack: Flutter, NestJS, MySQL, Google Maps API. ? Automatización empresarial con IA Implementación de flujos automáticos para clasificación de documentos, validación de datos y generación de reportes usando APIs de IA. 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