Freelancer profile translated to English.
Back to original languageAbout Romain
Expert Generative AI (Python/LangChain/LangGraph/LLMs/RAG) and backend development. Over 15 years of experience. I transform your business needs into robust and scalable technical solutions.
🚀 Available quickly
🤖 AI & AUTOMATION
🔹 Generative AI architectures: RAG, LangChain, LangGraph, autonomous agents, vectorization, MCP
🔹 LLM Integration: OpenAI, Anthropic (Claude), Mistral
🔹 AI solutions in production (content generation, document analysis)
🔹 Python/FastAPI Backend: APIs, microservices
🔹 Advanced prompt engineering, vectorization
🔹 Business process automation (n8n, workflows, LangGraph)
⚙️ BACKEND & CLOUD
🔹 Python/FastAPI, Node.js, TypeScript
🔹 PostgreSQL, Redis, distributed architecture
🔹 AWS/Scaleway Cloud, Docker, CI/CD
🔹 Security, payment processing, payment systems
💼 REFERENCES & ACHIEVEMENTS
✓ AI solutions in production: MyMountain (quote generation, Chatbot, complex agent systems), Opena (website creation)
✓ Nov@lis, Orange Labs, Ingenico: critical systems
🎯 IDEAL PROFILE FOR
→ Generative AI projects (RAG, chatbots, agents)
→ Robust Python backend (APIs, microservices)
💡 MY STRENGTHS
✓ AI Expertise
✓ Backend Expertise
✓ Fullstack Expertise
✓ Fast delivery and production quality
✓ Autonomous: from design to deployment
✓ Agile/Scrum Methodology
✓ Clear and proactive communication
📍 AVAILABILITY
- Quick start
- Long-term missions preferred (6-12 months)
Looking for an AI/Python expert for your GenAI project?
Contact me. Guaranteed response within 24 hours. 🚀
French
Native or bilingual
English
Fluent
Can work on-site
Caen (up to 50km), Lisieux (up to 50km), Falaise (up to 50km), Bayeux (up to 20km)
Experience
- MyMountain SASLead Developer & Fullstack ArchitectTECHAugust 2025 - Today (10 months)Montpellier, France🏗️ Complete architecture of a quote generation SaaS🤖 Development of specialized AI solutions (RAG, vectorization, LangChain, LangGraph)⚙️ Backend development (Python, FastAPI, Node.js) and frontend (Angular)☁️ Creation and security of cloud and server architectures📧 Mail server administration and security (Postfix, Dovecot)🖥️ Administration of test, pre-production, and production servers📊 System monitoring and optimization
- OpenaLead Developer & Fullstack ArchitectSOFTWARE PUBLISHINGMay 2024 - Today (2 years and 1 month)Caen, France🏗️ Complete architecture of a website creation SaaS🤖 Development of specialized AI agents (RAG, n8n, LangChain)⚙️ Backend development (Node.js, APIs) and frontend (React, Angular)☁️ Creation and security of network and server architectures🔗 API Integration (OpenAI, Anthropic, Mistral)🐳 Docker, Redis, Ollama infrastructure📊 System monitoring and optimization
- CarrefourSenior Android DeveloperRETAIL (LARGE RETAILERS)November 2022 - Today (3 years and 7 months)Massy, France📱 Development on the Carrefour Android app (millions of users)🏗️ Clean Architecture and design patterns⚙️ Development of new critical features🔧 Maintenance, bug fixes, and application stabilization✅ Development of unit and integration tests👥 Agile/Scrum methodology in a multidisciplinary team🛠️ Stack: Kotlin, Jetpack Compose, Clean Architecture
Reviews
Recommendations
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Education
- DUT informatique, option systèmes embarquésIUT Informatique Caen2007Développement objet, java, C, SmallTalk80. Bases de données Oracle, procédures, triggers.
- Ingénieur en informatique, monétique et sécurité des systèmesENSICAEN2010Développement objet, java, PHP, cartes à puces, bases de données, plateformes bancaires, sécurité informatique