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Leonard R.LR

Leonard R.

Web Dev & Designer | React, Next.js, Node.js, AI

€600/day
3 projects
Paris, FR
3-7 years

Average response time: 24 hours

Freelancer profile translated to English.
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About Leonard

🚀・AI Architect & RAG Chatbot

💡・Next.js & React Expert for AI Interfaces
🎓・Specialist in RAG Systems and Web AI Integrations

Why Choose Me?

Speed, Adaptability, Innovation. I transform data into intelligent conversations, prioritizing quality over quantity with a constant attention to detail.

My Areas of Expertise

🌐・Design and development of AI interfaces with React / Next.js
🧑‍💻・Creation of advanced chatbots using RAG systems for contextual responses
🤖・Integration of AI into business processes through custom web solutions

Some of My References:

🔒・BRS Brokers: AI Chatbot with RAG, IT support, and AI integration projects
🎮・LDV Sentinel: Intelligent Discord Bot for managing esports associations
📊・Savora: Recommendation platform using NLP, RAG, and OpenAI Embeddings
👥・AI Support Chatbot: Intelligent IT Assistant with Microsoft Graph integration

Availability:

📧・Responsive and available on LinkedIn, Malt, and by email.
➡️・Let's discuss your AI project now! (I respond within 24 hours)
  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • Impulse Lab
    Founder and CEO
    SOFTWARE PUBLISHING
    August 2025 - Today (1 year)
    Paris, France
    • Development of AI chatbots
    • Development of platforms integrating AI
    • Development of AI agents
    artificial intelligence Generative AI AI Chatbot AI Agents
  • Barry Rogliano Salles
    AI Chatbot with Microsoft Graph Access
    TRANSPORTATION
    January 2024 - October 2024 (9 months)
    Paris, France
    • Development of an AI chatbot for BRS Brokers, integrating Microsoft Graph access to automate administrative tasks.
    • Integration of Microsoft Graph to allow the chatbot to access and manage company data, thereby improving internal operational efficiency.
    • Design of the chatbot to interact with users intuitively, using natural language processing algorithms.
    Next.js TailwindCSS User Experience Design artificial intelligence Vercel AI SDK
  • Barry Rogliano Salles
    IT Support
    TRANSPORTATION
    August 2019 - April 2023 (3 years and 9 months)
    Courbevoie, France
    Freelance missions as IT support, system and network administrator.
    User assistance, creation of internal monitoring tools
    Node.js Microsoft Azure Active Directory Kusto Query Language Microsoft Outlook

Recommendations

FU
AS
Former user and 1 other person have recommended Leonard

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Education

  • Engineer in Data and AI
    ESILV
    Engineering

Skill set

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