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Geoffrey DelumeauGD

Geoffrey Delumeau

AI Engineer | AI Agent | N8n | RAG | React/Node

€500/day
76 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Geoffrey

I help you transform the technical complexity of your project into operational serenity through AI.

With 10 years of expertise in web engineering(Drupal, Node.js, React.js), I now support companiesin their transition to Artificial Intelligence and intelligent automation**. My approach combines the robustness of traditional architectures and the power of **AI Agentsto create solutions that have a real impact on your productivity and your values.

My main areas of intervention include:

**Artificial Intelligence & RAG**:

Designing intelligent assistants capable of securely interacting with your private data (PDFs, databases, Notion) using RAG and LangChain.js. No more hallucinations, just reliable and sourced AI.

Process Automation(Low-Code & Sovereign):
Expert in n8n (self-hosted for privacy) and Make, I connect your tools to eliminate repetitive tasks and unleash your human potential.

**Modern Fullstack Architecture**:

Developing fast and intuitive interfaces with Next.js and React, powered by solid back-ends in Node.js or Drupal.

Why work with me?

With an engineering background (ENSEEIHT), I bring methodological rigor to every project. My dual technical and marketing expertise allows me to understand your business challenges to propose the most efficient and effective solution, while respecting your values and data privacy.

Ready to automate your application? Let's discuss your project.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Fluent

  • Portuguese

    Basic

  • Italian

    Basic

Remote only
Primarily works remotely

Experience

  • AQUATIRIS
    Creation of a custom ERP / CRM (Drupal & REST API)
    ENVIRONMENTAL
    December 2022 - Today (3 years and 6 months)
    Paris, France
    I designed, prototyped, and deployed a centralized and secure business management system. By connecting a Drupal foundation with various REST APIs, I enabled my client to automate all their key processes:

    • **Sales Management**: invoicing with electronic signature, customer account tracking, deliveries, and accounting exports.
    • **Operations and Logistics**: real-time management and tracking of in-transit raw materials.
    • **Technical and Business Steering**: creation of dashboards (business metrics), event notification system, integrated online documentation, all secured by a rigorous DevOps workflow.
    Drupal 10 API Symfony Scrum DevOps
  • Allo mon corps
    Development and Acquisition Strategy: allomoncorps.com
    HEALTH AND WELLNESS
    April 2023 - Today (3 years and 2 months)
    Blois, France
    As the technical and marketing lead on this project, I designed this platform for connecting with holistic health experts from scratch.

    • **Artificial Intelligence & RAG**: designing an intelligent assistant capable of securely interacting with private data (PDFs, databases) using RAG and LangChain.js.
    • **Development & Management**: creating a robust platform with an optimized user experience (UX/UI) to facilitate searches and contact.
    • **Acquisition & Visibility**: implementing a sophisticated technical and semantic SEO strategy to generate sustainable organic traffic and attract the right experts and users to the platform.
    SEO Audit Traffic Acquisition RAG Artificial Intelligence Langchain
  • Cultura Lengua Nativa
    Digital Marketing & Sales Funnels: Cultura Lengua Nativa
    EDUCATION AND E-LEARNING
    June 2025 - Today (1 year)
    Blois, France
    Beyond pure development, I support my clients' growth through digital marketing. For the Cultura Lengua Nativa project, I led the commercial strategy for selling online French courses:

    • **Sales Funnel Design**: Creating persuasive user journeys aimed at maximizing the conversion rate of visitors into students.
    • **Acquisition Strategy**: Implementing marketing levers to capture a targeted audience, reassure them, and automate course sales.
    Traffic Acquisition User Experience Design Moodle Social Networks Lead Generation

Reviews

4.9

Out of 41 ratings

A

Adama

Allo mon corps

Reviewed on 10/4/2023

Geoffrey responded quickly to a mission to update our website, showing good listening skills and pragmatism. I recommend him!

Geoffrey has chosen to hide 1 review

1 written review is private.

Recommendations

PC
Yoan TournadeYT
Augustin S.AS
Pierre Chavanon and 2 other people have recommended Geoffrey

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Education

  • Preparatory Classes (Maths-Physics-Engineering Sciences)
    Lycée Chateaubriand, Rennes
    2010
  • Electronics and Signal Processing Engineer
    INP ENSEEIHT Engineering School - Toulouse
    2013

Skill set

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