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Jordi HernandezJH

Jordi Hernandez

AI Full-Stack Engineer | Building AI SaaS Products

€150/day
Valencia, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jordi

I am a Full-Stack Developer specializing in Artificial Intelligence, automation, and SaaS product development. More than just developing isolated functionalities, I am passionate about building complete solutions that solve real business problems, from the initial idea to production deployment.

Over the last few years, I have developed my own products, allowing me to participate in all phases of development: product definition, architecture, frontend, backend, databases, integrations, deployment, customer validation, and continuous iteration.

One of my main projects is MA.Flow, a platform for creating custom AI agents capable of automating business processes and integrating with WhatsApp, voice, APIs, CRMs, and third-party tools. The goal is for any company to be able to build assistants tailored to their needs, whether for customer acquisition, customer service, sales follow-up, internal automation, or any other process.

I also developed Matu Factu, an AI-powered invoicing SaaS that allows generating quotes, delivery notes, and invoices through natural conversations via WhatsApp, automating a large part of the administrative work for freelancers and small businesses.

I regularly work with React, Next.js, TypeScript, Node.js, Python, Supabase, PostgreSQL, OpenAI, Claude, REST APIs, webhooks, Stripe, and automation tools, always with a product-oriented approach and focused on delivering maintainable and scalable solutions.

I enjoy getting involved in the client's business, understanding their processes, and proposing the best technical solution, not just writing code. If you are looking for someone capable of turning an idea into a functional product or automating complex processes with AI, I would be happy to help.
  • Spanish

    Native or bilingual

  • English

    Basic

Remote only
Primarily works remotely

Experience

  • MatuFactu
    Founder
    SOFTWARE PUBLISHING
    January 2025 - Today (1 year and 6 months)
    Valencia, Spain
    Matu Factu

    Matu Factu is an intelligent invoicing SaaS platform designed to automate the administrative work of freelancers and small businesses using Artificial Intelligence and WhatsApp.

    The project was born with the aim of eliminating the complexity of traditional invoicing software, allowing users to generate quotes, delivery notes, and invoices using natural language, both text and voice, without needing to fill out forms manually.

    The AI interprets conversations, identifies clients, items, quantities, taxes, and products to automatically generate professional documents that can later be converted into each other while maintaining full document traceability.

    The platform also includes a comprehensive web dashboard to manage clients, documents, expenses, metrics, and business settings, as well as an intelligent catalog system capable of analyzing supplier documents and helping to automatically locate materials during quote creation.

    I have developed the product entirely, participating in functional design, architecture, frontend and backend development, authentication, document generation, integration with AI models, payments via Stripe, and deployment of the entire infrastructure.

    Technologies used: React, Next.js, TypeScript, Node.js, Supabase, PostgreSQL, OpenAI, Claude, WhatsApp API, Stripe, REST APIs, Webhooks, and Cloud services.

    Matu Factu demonstrates how Artificial Intelligence can be integrated into everyday business processes to reduce administrative time, minimize errors, and allow professionals to dedicate more time to their core activities rather than bureaucratic tasks.
    AI Automation Business development Full-Stack Development REST API
  • Maflow
    Founder
    SOFTWARE PUBLISHING
    January 2025 - Today (1 year and 6 months)
    Valencia, Spain
    MA.Flow

    MA.Flow is a SaaS platform for creating, configuring, and deploying fully customized Artificial Intelligence agents capable of automating complete business processes. The project's goal is to enable any company to build digital employees tailored to their business without needing to develop a specific solution from scratch.

    The platform allows designing agents that can act as virtual receptionists, sales assistants, lead capturers, support agents, booking managers, follow-up systems, or internal automations, integrating with tools such as WhatsApp, voice, CRMs, calendars, REST APIs, and any external software.

    Each agent can be configured with custom instructions, tools, integrations, and business rules, allowing them to perform real actions such as querying databases, managing appointments, sending documentation, updating external systems, or coordinating complete processes across different applications.

    I have been responsible for the complete development of the product, from functional definition and architecture to frontend, backend, database, authentication, deployment, and integration with AI models and external services. Throughout the development, I have continuously validated the product with real clients and iterated on new functionalities based on their needs.

    Technologies used: React, Next.js, TypeScript, Node.js, Supabase, PostgreSQL, OpenAI, Claude, REST APIs, Webhooks, WhatsApp API, Stripe, and Cloud services.

    MA.Flow represents my vision of how companies will use Artificial Intelligence in the coming years: specialized agents capable of executing real business processes, integrating with any existing system, and increasing productivity without replacing human control.
    AI Automation Marketing Automation Process Automation Business development Software as a Service (SaaS)
  • Startup Valencia - Programa de Emprendimiento Tecnológico
    Development of startup entrepreneurship skills.
    TECH
    January 2026 - July 2026 (6 months)
    Valencia, Spain
    Participation in a technology entrepreneurship program focused on the creation, validation, and scaling of digital startups. Practical training focused on the entire lifecycle of a technology company, from identifying a market opportunity to launching, growing, and consolidating the product.

    During the program, innovation and product development methodologies such as Lean Startup, Design Thinking, Customer Development, and Business Model Canvas were utilized, learning to validate business hypotheses through customer interviews, defining value propositions, building MVPs (Minimum Viable Products), and continuous iteration processes based on real market feedback.

    The content also covered fundamental aspects for startup growth, including:

    Market opportunity research and validation.
    Business model definition and monetization strategies.
    Product Market Fit (PMF) and validation metrics.
    Customer acquisition and retention strategies.
    Digital marketing and growth (Growth).
    Design of SaaS models and digital platforms.
    Preparation for investment rounds and investor presentations (pitching).
    Technological and organizational scalability.
    Basic financial management for startups.
    Product roadmaps and version planning.
    Agile project management and iterative methodologies.

    Furthermore, the program introduced notions of cybersecurity applied to digital products, including best practices for application development, data protection, authentication and access control, secure credential and secret management, privacy by design principles, basic concepts of data encryption in transit and at rest, vulnerability management, and awareness of regulatory compliance in technology projects.
    Business plan Business model Growth Strategy Marketing Business development

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