08/02/2026 updated
100 % available
Fundador y Desarrollador de Software y Webs a Medida para Pequeños Negocios
Pineda de Mar, Spain
Only remote
Ciclo Formativo de Grado Superior en Desarrollo de Aplicaciones MultiplataformaNode.jsWeb ApplicationsReact.jsGoogle FirebaseFull Stack Development
I build complete web products end to end — design, frontend, backend,
deployment and support — for small and medium businesses.
FRONTEND
React, Vite, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS. Responsive,
mobile-first builds. GSAP animation.
BACKEND & DATA
Node.js, Firebase Cloud Functions, REST API design and third-party integration,
webhooks. Firestore data modelling and security rules.
E-COMMERCE
Product catalogs with variants and filtering, cart and checkout flows, Stripe
payments, order management panels, shipping and delivery logic.
BOOKING & BUSINESS SYSTEMS
Appointment booking with real per-service availability, automatic reminders,
waiting lists and self-service cancellation. Custom admin panels: client
records, agenda, orders, quotes, invoicing and accounting.
AI & AUTOMATION
LLM integration and conversational agents (Gemini, ElevenLabs), chatbots over
WhatsApp and Telegram, automated lead capture and qualification, AI content
generation, internal process automation.
SEO & COMPLIANCE
Technical SEO, JSON-LD structured data, sitemaps, prerendering for crawlers.
GDPR and cookie-consent implementation to EU standards.
TOOLS
Git and GitHub, npm/pnpm, Firebase Hosting, environment and secrets management.
What I don't do: WordPress, Shopify themes, Python backends or native mobile.
I'd rather tell you that upfront than take the project and learn on your budget.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishFluentSpanishNative speaker
Project history
Diseño y desarrollo de webs y software a medida para autónomos y pequeños negocios locales: reservas online, facturación, paneles de gestión y automatizaciones. Gestión de todo el proceso desde la primera conversación con el cliente hasta el desarrollo, puesta en marcha y soporte posterior. Entrega de demo funcional en 48h y garantía de 30 días desde la entrega. Soluciones construidas para peluquerías, talleres mecánicos, restaurantes, academias, clínicas y otros negocios locales.