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Javier SantosJS

Javier Santos

AI & Automation Consultant

€450/day
Vigo, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Javier

I help companies go from 'we want to do something with AI' to real systems in production that save time, reduce costs, or increase revenue.

I am an AI Engineer and AI consultant specializing in agents, automation, RAG systems, LLMs, and integrations with business tools. I am currently the AI Discipline Leader at Product Hackers and work as an independent consultant through Javadex.

My focus is not on making pretty demos, but on building useful solutions: internal copilots, process automation, assistants over documentation, agents connected to APIs, and AI systems integrated into real workflows.

I can help you if you need:
- Identify which AI use cases make sense for your company.
- Automate repetitive processes with AI.
- Create internal agents or copilots for your team.
- Build RAG systems on private documentation.
- Integrate AI with tools like CRMs, Notion, Google Drive, Slack, databases, or internal APIs.
- Train your team to use and maintain AI systems.

I work particularly well with startups, SMEs, and teams that want to implement AI with a focus on ROI, without relying on large consultancies or getting stuck in pilots that never reach production.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Conversational

Can work on-site
Vigo (up to 50km), Madrid (up to 50km), Valladolid (up to 50km), La Coruña (up to 50km)

Experience

  • Javadex Consulting AI
    AI & Automation Consultant
    January 2026 - Today (5 months)
    Empowering SMEs and freelancers by integrating custom AI solutions into their core workflows to drive efficiency and scalability.
  • Product Hackers
    AI Discipline Leader
    December 2025 - Today (6 months)
    My role focuses on turning AI into a real, scalable business advantage, combining technical leadership, actionable use cases, and internal enablement.
    • - Design and prioritize high-impact, production-ready AI use cases.
    • - Provide technical leadership on LLMs, AI agents, RAG systems, and scalable AI architectures.
    • - Train and enable internal teams (engineering, product, business) on effective and responsible AI adoption.
    • - Establish standards and best practices for building and deploying AI solutions in production.
    • - Support clients in adopting and scaling AI beyond experimentation, with a strong focus on measurable impact.
  • Ex AI Hackers
    AI Engineer
    October 2024 - Today (1 year and 8 months)
    • - 1st
    • - Leading the design and deployment of AI-driven backend architectures, seamlessly integrating advanced LLMs and LangGraph-based frameworks into scalable, production-ready systems.
    • - Spearheading innovation initiatives in a dynamic, high-growth environment, delivering practical AI solutions tailored to real-world e-commerce and business challenges.
    • - Architecting and optimizing AI pipelines for performance, reliability, and maintainability, ensuring seamless integration with modern cloud infrastructures.
    • - Driving technical excellence and best practices across AI projects, including modular design, prompt engineering, retrieval-augmented generation (RAG), and autonomous agent development.
    • - Collaborating cross-functionally with product and engineering teams to align AI capabilities with strategic business goals and deliver measurable impact.

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Education

  • Introduction to Generative AI Introduction to Growth Hacking Convolutional Neural Networks in Python: CNN
    Computer
    Introduction to Generative AI Introducción a Growth Hacking Convolutional Neural Networks in Python: CNN
  • Online training for handling industrial robot CB3
    Formación online para manejo de robot industrial CB3

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