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Angular · Node.js · Solana · SaaS · Agentes IA / RPA

Soy Guillermo Sanz Castillo. Desarrollador Full-Stack y consultor de automatización con IA.

Ayudo a empresas a ahorrar tiempo y dinero sustituyendo procesos manuales por flujos automatizados con inteligencia artificial: captura de leads, clasificación de correos, generación de informes, atención al cliente 24/7, gestión documental, etc.

Trabajo en tres capas:
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    2.    IA aplicada al negocio: integración de agentes inteligentes, asistentes conversacionales, análisis automático de datos internos y workflows tipo n8n / RPA para que el equipo haga más con menos.
    3.    Web3 & tokenización (Solana y EVM) cuando el proyecto necesita wallet, token o capa cripto.

Mi valor diferencial no es “solo programar”, es entender el problema de negocio y entregar una solución lista para usar y medible en impacto: menos tareas repetitivas para tu equipo, menos errores humanos y más velocidad operativa.

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Learning Bits
Febrero 2025 – Actualidad · Barcelona / Remoto

Desarrollo integral de soluciones web avanzadas y automatización inteligente de procesos internos.
Responsable del diseño de nuevas funcionalidades y de la integración de IA en flujos de trabajo educativos y administrativos.

Tecnologías: Angular 19, Node.js, MySQL, TypeScript, IA aplicada a automatización de procesos, CASL, NGXS/NGRX, Python

Responsabilidades destacadas:
- Desarrollo y mantenimiento de componentes front-end modulares y escalables.
- Integración de agentes de IA para asistencia contextual y búsqueda inteligente.
- Automatización de tareas internas repetitivas (reporting, traducciones, carga de datos).
- Refactorización de arquitectura y optimización de rendimiento general.

PROGRAMADOR FULL-STACK / CONSULTOR IA FREELANCE
Freelance · Profesional independiente
Junio 2021 – Febrero 2025 · Remoto

Diseño y desarrollo de plataformas SaaS y dashboards de análisis de datos, combinando desarrollo web moderno con automatización inteligente.
Experiencia en proyectos Web3, blockchain y consultoría IA para empresas.

Proyectos destacados:
- Plataforma de análisis y gestión de datos blockchain (Angular + NodeJS + Solidity + Python + MySQL).
- Aplicación web con IA de análisis de plan urbanístico (pgou.es)
- Integraciones IA para automatizar reporting y soporte en plataformas internas.
- Agencia de IA vadeia.com

Competencias: Full-Stack Development, Automatización con IA, Blockchain / Solana, SaaS, Consultoría tecnológica, Integración de Agentes IA

CTO Y PROGRAMADOR FULL-STACK
Look & Eat
Febrero 2020 – Junio 2021

Desarrollo de una app híbrida para restaurantes con back-office de gestión.
Diseño técnico completo y coordinación del desarrollo.

Tecnologías: Ionic 4, Angular 8, CodeIgniter, Bootstrap, MySQL
Logros: App funcional en producción con gestión de pedidos, menús y reservas.

PROGRAMADOR FULL-STACK FREELANCE
Junio 2018 – Febrero 2020

Desarrollo y programación de aplicaciones web y multiplataforma para distintos sectores.
Competencias: Angular, Node, Mongo, PHP, Laravel, Solidity, Python, SaaS Architecture

PROGRAMADOR FRONT-END ANGULAR
NEXIAD S.L.
Abril 2017 – Mayo 2018 · Barcelona

Desarrollo de una aplicación de gestión médica para el Institut Oncològic Baselga.
Tecnologías: Angular 4, Bootstrap, SASS, Git.

PROGRAMADOR MULTIPLATAFORMA
Slash Mobility
Junio 2015 – Diciembre 2016 · Barcelona

Participación en múltiples proyectos móviles y web para banca, bibliotecas digitales y accesibilidad urbana.

Tecnologías: Ionic, Angular, Bootstrap, SASS, PHP, MySQL.

PROGRAMADOR WEB / RESPONSABLE SEO-SEM
Medical Services Activita
Mayo 2010 – Septiembre 2015

Desarrollo, mantenimiento y posicionamiento SEO/SEM de las webs corporativas.
Tecnologías: Joomla, WordPress, PHP, MySQL, JavaScript, HTML, CSS.

RESUMEN DE EXPERIENCIA CLAVE
- Más de 10 años de experiencia en desarrollo web y full-stack.
- Experiencia aplicando IA para automatización de procesos en empresas.
- Experto en Angular, Node e integración de IA.
- Experiencia en proyectos Web3 y optimización de plataformas SaaS.
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PROGRAMADOR FULL-STACK / CONSULTOR IA FREELANCE Freelance · Profesional independiente Junio 2021 – Febrero 2025 · Remoto Diseño y desarrollo de plataformas SaaS y dashboards de análisis de datos, combinando desarrollo web moderno con automatización inteligente. Experiencia en proyectos Web3, blockchain y consultoría IA para empresas. Proyectos destacados: - Plataforma de análisis y gestión de datos blockchain (Angular + NodeJS + Solidity + Python + MySQL). - Aplicación web con IA de análisis de plan urbanístico (pgou.es) - Integraciones IA para automatizar reporting y soporte en plataformas internas. - Agencia de IA vadeia.com Competencias: Full-Stack Development, Automatización con IA, Blockchain / Solana, SaaS, Consultoría tecnológica, Integración de Agentes IA CTO Y PROGRAMADOR FULL-STACK Look & Eat Febrero 2020 – Junio 2021 Desarrollo de una app híbrida para restaurantes con back-office de gestión. Diseño técnico completo y coordinación del desarrollo. 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