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Vincent D.VD

Vincent D.

Freelance CTO · Fullstack + Generative AI

€950/day
1 project
Vannes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Vincent

Senior fullstack developer & freelance CTO, I have been involved for 20 years in web and mobile projects with high technical or strategic stakes.
I help SMEs, agencies, software publishers, or startups to design, develop, and industrialize their digital products, acting as a tech referent, often independently, sometimes integrated into a team.

🎯 Areas of Intervention
• Structuring projects from scratch (MVP, architecture, tech choices)
• Redesign of IS or legacy stacks (migration to APIs, decoupling, modernization)
• Complete fullstack development (Node.js, React, NestJS, GraphQL, AWS, Docker…)
• Creation of SaaS products (CRM, internal tools, 3D configurators, hybrid mobile…)
• Cloud deployment (AWS, serverless), DevOps, CI/CD, quality & resilience

🧠 Focus Generative AI & Automation
I am developing two sovereign AI tools — Prospector (intelligent prospecting assistant) and Bob (AI integration co-pilot) — designed to automate business growth and AI integration in SMEs.
Stack: LangChain, LangGraph, OpenRouter, Redis, Python, Assistant-UI.

🏗️ Recent Examples
• Technical direction of a GPS/safety tracking tool in isolated environments
• Migration of a Zend monolith to modern APIs
• 3D configurator for real estate marketing
• Digital signage system deployed on +30,000 retail screens

👨‍💼 Preferred Sectors: Real Estate, SaaS, E-commerce, GIS, Innovation
📍 Remote by default, with occasional travel around Vannes (50 km)
📬 Available for missions in architecture, redesign, targeted development, or applied AI

💼 I am not a developer to execute a task.
I act as a tech partner: I structure, deliver, and optimize.
👉 My daily rate reflects this commitment and the value created.

✅ Approved for Innovation Tax Credit (CII) – your projects may benefit from a partial refund from the state.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Vannes (up to 50km)

Experience

  • Le Comptoir de l’IA
    Founder – Generative AI Solutions Publisher
    SOFTWARE PUBLISHING
    October 2024 - Today (1 year and 8 months)
    Vannes, France
    Development of two sovereign AI tools for SMEs:
    • Prospector: prospecting assistant (scraping, scoring, email campaign)
    • Bob: AI integration co-pilot, tech watch, decision support
    Project conceived, developed, and used in dogfooding with a product mindset.

    Business Impact:
    → Automation of business growth and reduction of acquisition cost.
    → Accessibility of AI without technical expertise.
    Langchain LangGraph Generative AI MVP Python
  • Yourmaps
    Freelance CTO – Field Guidance & Safety Solution
    SOFTWARE PUBLISHING
    January 2022 - Today (4 years and 5 months)
    Vannes, France
    Complete design and development of a GPS guidance and safety mobile application in complex environments (construction sites, sensitive areas, nature).
    Tool used for tracking lone workers, managing evacuations, and regulatory compliance. Project carried out almost entirely independently, from architecture to production.

    Business Impact:
    → Reduction of human and legal risks, better compliance with regulatory obligations, increased field productivity.
    → High added value in the construction, industry, and logistics sectors.
    React.js NestJs GraphQL Node.js Docker AWS Information Security GIS GIS GeoJSON Mapbox Capacitor
  • Arka Software
    Lead Developer – 3D Apartment Configurator
    REAL ESTATE
    January 2019 - January 2022 (3 years)
    Vannes, France
    Design of a 3D configurator for selling off-plan properties (VEFA). Integration into the online sales funnel. Fullstack development (3D, front, backend) carried out completely independently, from mockup to deployment.

    Business Impact:
    → Improved conversion rates, strong commercial differentiation, end-customer autonomy.
    three.js WebGL React.js Amazon Web Services Interactive Prototyping

Reviews

5.0

Out of 1 rating

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Reviewed on 7/20/2017

Proactive and very professional, Vincent met our needs on time.

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Education

  • Audiovisual Engineer
    ENSLL
    1998
    Spécialité son : acoustique, électronique, traitement numérique du signal. Formation scientifique rigoureuse, ancrée dans le réel et les systèmes complexes
  • Analyst Developer
    EISTI
    1999
    Conception d’applications web et systèmes (HTML, CSS, PHP, MySQL, UNIX). Premiers pas dans le développement fullstack et l’architecture logicielle

Skill set

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