Freelancer profile translated to English.

Description

AI Engineer specializing in LLM integration and RAG systems in production. I help companies design and deploy AI solutions (RAG, fine-tuning, voice AI, real-time APIs, MCP) with a product-oriented and performance-driven approach.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

EchoMe - SaaS AI Product
AI Engineer & Founder
October 2025 - Today (8 months)
Paris, France
• Engineered a custom RAG pipeline from scratch without relying on frameworks (LangChain..)
• Integrated OpenAI Whisper for automatic speech recognition and audio transcription.
• Fine-tuned a model to produce personalized speech synthesis, capturing the target speaker's timbre and speech patterns.
• Optimized LLM costs and latency by implementing prompt caching and strategic model routing, resulting in a 37% reduction in API overhead.
• Designed a multi-tenant architecture serving multiple B2B clients from a single backend and frontend codebase (complete subscription billing system with Stripe integration system)
LLMs external-api-integration Fine-tuning MCP Retrieval-Augmented Generation (RAG)
BNP Paribas
Innovation IT Engineer
BANKING AND INSURANCE
September 2024 - October 2025 (1 year and 1 month)
Paris, France
• Led project management initiatives for IT solutions, achieving a global Net Promoter Score (NPS) of 82 through stakeholder engagement and process optimization.
• Developed a tool to drive innovation, streamlining internal processes and reducing costs by 15%. Writing governance docs and recommendations to foster an innovation dynamic.
it-project-management Python Java JavaScript artificial intelligence
Sopra Banking Software (SBS)
Developer C++ - R&D
BANKING AND INSURANCE
September 2023 - September 2024 (1 year)
Paris, France
• Engineered a Python automation tool for C++ developers through CMake retro-engineering, saving 3 days per developer when working on batches
• Optimized SQL queries and C++ code, reducing query execution time by 58%
Python database-management C/C++ Programming ci-cd-management Optimization