Freelancer profile translated to English.
Back to original languageAbout Sylvain
đź’ˇ Need to integrate AI solutions (LLM, MCP server, Computer Vision) into your applications?
I am an AI Engineer with experience in web development (Full-Stack). Accustomed to demanding environments, I can support you in the design, development, and production launch of your product.
🎯 My strength: a hybrid AI + web profile, capable of moving quickly and cleanly, and transforming a business need into a concrete product.
French
Native or bilingual
English
Fluent
Spanish
Conversational
Can work on-site
Paris (up to 15km)
Experience
- Magic AppAI / Computer Vision EngineerSOFTWARE PUBLISHINGFebruary 2026 - May 2026 (3 months)Development of an AI companion and computer vision functionalities to enhance user experience.Key achievements:
- Implementation of advanced orchestration with LangGraph to manage the companion's behaviors.
- Implementation of computer vision functionalities: image recognition and matching.
- Design of a scalable architecture integrating LLMs and vector search.
Value provided:- Improved user engagement through intelligent interactions.
- Addition of new product mechanics based on images.
- Robust and extensible technical foundation for future AI features.
- ABSYSS S.A.SAI / MCP EngineerSOFTWARE PUBLISHINGDecember 2025 - December 2025Montrouge, FranceAutomatic generation of an MCP server from an OpenAPI/Swagger specification. The goal is to expose an automation software to LLMs through an existing and very comprehensive API.Problems encountered:- The data schemas are very object-oriented/inheritance-based. The same endpoint can have a discriminant that changes the structure of the JSON to be sent, sometimes with discriminants in the underlying schemas.- The number of API endpoints is too high (can be reduced to ~350), and the schemas are too large, so the MCP server might be rejected by some MCP clients (on ChatGPT, Le Chat, etc.) because the list of tools takes up too much space in the LLM's context. A server-side "virtual tools" solution had to be developed, which aggregates certain endpoints into a single tool and queries the correct API endpoint when the tool is called.
- Création d'entrepriseFull Stack DeveloperRETAIL (SMALL BUSINESS)November 2024 - October 2025 (11 months)Paris, FranceComplete development of a web ERP for wedding dress sellers, from specifications to implementation.Node.js / Next.js / React / TypeScript / PostgreSQL / Auth.js / Tailwind CSS & Material UI / Automated tests / Vercel
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Education
- Master's degree in AI EngineeringCYTech (formerly EISTI)2022IA / Machine Learning / Computer Vision / GCP / Gestion de projet / Mathématiques / Statistiques
- University Diploma in Technology in Computer ScienceUPPA2019Algorithmie / POO / Front & Back Web / Embarqué / Mathématiques