About Nathan
French
Native or bilingual
English
Fluent
Experience
- FreelanceGenerative AI Consultant & Product BuilderFebruary 2025 - Today (1 year and 6 months)Freelancer since February 2025, specializing in generative AI applied to digital products. I have been continuously training myself on the subject for years and integrate LLMs into the projects I work on.My Product Manager hat is central to my way of working: I always start by analyzing the real need before rushing into code. I challenge, I frame priorities, I cut what doesn't bring value, then I deliver. No "coding for coding's sake".I deliver complete products from A to Z: web (Next.js, React, Tailwind, Sanity) and native or cross-platform mobile (Swift/AppKit, Kotlin/Compose, Flutter). AI is at the heart of my work method, not a feature added at the end of the chain.What I master in practice:• LLM integration in production: prompt engineering, RAG, autonomous agents, semantic search, LLM-enhanced wikis.• AI-assisted design: Stitch, Pencil, rapid iterations with Claude.• Development with Claude Code and agent orchestration: production-quality code, at a speed incompatible with traditional workflows.• Multi-models: OpenAI, Claude, Gemini, depending on the task and cost.Recent projects (client and personal):• Joël: AI cooking assistant (Flutter + Supabase + OpenAI + Imagen 4).• npsense: AI-powered NPS feedback analysis SaaS (FastAPI + React + Postgres).• CineKinox: Ongoing redesign of a cinema equipment rental website (Next.js + Sanity).• Naturosport24: Complete website redesign, SEO optimization, and AI-assisted SEO blog article writing (Next.js + MDX).• Perch: Open-source macOS app for shelf drag & drop (Swift + AppKit).• Lock: Android anti-distraction app via NFC (Kotlin + Compose).• Personal note-taking and organization tool in the spirit of Notion, with a local MCP server for native LLM integration and multi-device editing (Next.js + TypeScript + Drizzle/SQLite + BlockNote + Yjs/Hocuspocus + Electron + MCP, self-hosted via Docker/Coolify).
- GeevProduct ManagerMarch 2022 - February 2025 (2 years and 11 months)Between March 2022 and February 2025, I held the full-time position of PM at Geev. Being a startup, I also held the PO role. Discovery, Delivery, facilitating ceremonies, improving our Agile processes, internal and user workshops, writing Epics and USs, collecting and analyzing data, managing Roadmaps, close contact with Stakeholders and developers: I appreciate every aspect of the job.
- GeevCustomer Relations and Moderation ManagerAugust 2017 - March 2022 (4 years and 7 months)Building on my experience at Bouygues Telecom and my desire to always place the user at the center of the company, I developed Geev's customer service, always aiming to make it a profit center: gathering user insights for the Product, exemplary responsiveness, improving brand image, satisfaction.During the same period, I also managed the moderation of ads on the platform (approx. 600k ads/month)
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Education
- Master ProgrammeGrande Ecole2016Master Programme
- Writing a thesis on the importance of Product Discovery Business Manager LicenseIUT Bordeaux 42010Rédaction d'un mémoire sur l'importance de la Discovery dans le Produit Licence Chargé d'affaires