About Yann
French
Native or bilingual
English
Conversational
Experience
- Arch-ITFreelance - Senior AI EngineerJanuary 2025 - Today (1 year and 7 months)Design and development of AI systems, from R&D to production.- Mimir: Full-stack RAG in production under FastAPI and React. Semantic search on embeddings, vector database, multi-user JWT authentication, admin dashboard. 28k LOC.- Daikoku: End-to-end time series prediction framework, Mamba SSM architecture in PyTorch, dual multi-timeframe encoder, cascade training. 30k LOC, 356 unit tests.- AutoGen: Multi-AI agent orchestrator, LLM integration, agent routing and coordination.- n8n Automations: Workflows connecting LLMs, APIs, and databases.- DecorIA, AI-setupGen, DialecticIA: Mobile AI applications and experimental frameworks (Gemini, rapid prototyping).Expertise: RAG, AI agents, LLM orchestration, generative AI, MLOps, n8n automation, Next.js in production, prompt engineering, model deployment and security.
- Altitude LtdData Architect ClickhouseTECHOctober 2025 - January 2026 (3 months)Hong Kong, Hong Kong SAR ChinaComplete redesign of the OLAP data architecture under ClickHouse for a real-time blockchain analysis platform.I rethought the structure of 10 source tables, 50 materialized views, and all API queries to resolve the critical conflict between high-frequency ingestion (every second) and near-instantaneous response times (200 ms) on very large volumes.The delivered architecture ensures stable performance and prepares for 100x scalability.Stack and expertise: ClickHouse, OLAP modeling, advanced SQL, materialized views, real-time data pipelines, streaming ingestion, query optimization, data engineering, analytical data architecture, performance and scalability.
- Bulltrading.ioReact Front-End DeveloperPRIVATE EQUITYFebruary 2025 - May 2025 (3 months)BelgiumComplete interface reconstruction in React (Hooks) and Tailwind CSS with a custom i18n system (9 languages).Development of financial dashboards (Recharts, TradingView) connected to a .NET backend via Protobuf.Results: Increased performance and maintainability, modernized UX.
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Education
- Master's Degree in Computer ScienceUJF2004Maîtrise Informatique / Specialité IA