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Enrique Chavarrias PindadoEC

Enrique Chavarrias Pindado

AI Systems Engineer | Voice and Automation

€600/day
Valencia, ES
3-7 years

Average response time: A few days

Freelancer profile translated to English.
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About Enrique

I'm Enrique, an engineer specializing in artificial intelligence systems for professional businesses.

If you run a law firm, a dental clinic, a consultancy, or an SME, you're probably familiar with:

Missed calls
Saturated schedules
Repetitive tasks that consume valuable hours
And clients who expect faster, clearer service

I'll make sure that stops being a problem.

I design custom AI systems that attend, organize, and respond for you, integrating with your way of working.
Without external platforms. Without monthly licenses. With total control over your data.

What do I build for you?
AI receptionists that handle inquiries via web, WhatsApp, or voice, understand client needs, and automatically manage appointments.
Voice agents that answer calls naturally, filter requests, and organize your schedule without human intervention.
Internal knowledge systems so your team can find answers in seconds within your own documentation.

It's not about adding technology.

It's about making your business run even when you're not available.

About not missing opportunities.
About reducing operational load.
And about providing service that truly makes a difference.

I work with fixed-price projects (typically between €3,500 and €7,000), asynchronous delivery, and close follow-up.

If you'd like, I can honestly analyze your case and tell you if automating that process makes sense.
Even if the answer is no.

Is this happening in your business right now?

Explain your current process to me, and I'll analyze if it makes sense to design a custom system for your business.
  • Spanish

    Native or bilingual

  • English

    Basic

Remote only
Primarily works remotely

Experience

  • Ingeniería de IA Independiente
    AI Systems Engineer — Healthcare Sector
    TECH
    May 2025 - July 2025 (2 months)
    Valencia, Spain
    Designed and built a conversational AI system from scratch for a dental clinic. A multi-channel receptionist (web, WhatsApp, voice) that filters patients by specialty (orthodontics, surgery, general dentistry), schedules appointments in Google Calendar, sends reminders 24 hours in advance, and manages billing. Includes a knowledge base with RAG for accurate responses.

    Integration of Claude Sonnet 4l.

    Control panel with real-time conversation monitoring.

    Deployed on a private VPS, without dependence on external platforms.

    Alignment with European AI and data protection regulations.
    Applied Artificial Intelligence AI Voice Business Process Automation Full Stack Development Conversational Agents
  • Creatuscuentos
    AI Engineer and Full Stack Developer
    EDUCATION AND E-LEARNING
    November 2024 - January 2025 (2 months)
    Valencia, Spain
    Built a complete platform for generating personalized children's stories with AI from scratch. The user configures themes, characters, educational values, and therapeutic topics, and the system generates a unique story using Anthropic technology. Includes a private library, public gallery, integrated blog, and a subscription system with flexible plans.

    Over 80 educational values and selectable therapeutic options.

    Complete architecture: frontend in Astro, backend with LLM integration.

    Deployed on own VPS with Nginx.

    Free trial access and tiered plans.
    Full Stack Development Applied Artificial Intelligence Business Process Automation REST API Conversational Agents
  • Ingeniería de IA Independiente
    AI Systems Engineer and Founder
    TECH
    May 2023 - Today (3 years and 1 month)
    Valencia, Spain
    Design and build complete AI systems from scratch for companies in the legal and healthcare sectors. No low-code platforms. Full-stack development, conversational AI integration, and deployment on private infrastructure.

    AI appointment system (frontend + backend + voice) for dental clinics and law firms: filters by specialty, schedules in Google Calendar, sends reminders, and manages billing.

    Knowledge bases with RAG for querying internal documentation in natural language.

    Integration of Claude Sonnet 4, OpenAI, and Qwen3 models for voice in production.

    Sovereign architecture aligned with EU AI Act and ISO 42001.

    All projects delivered with technical documentation, fixed price, and a 30-day warranty.

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Education

  • Expert in Artificial Intelligence
    Universidad Internacional Isabel I de Castilla
    2024
    Especializado en ingeniería de sistemas de IA, procesamiento del lenguaje natural y arquitecturas de aprendizaje automático.

Certifications

Skill set

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