Freelancer profile translated to English.
Back to original languageAbout Yann
From idea to solution.
You have a problem or an idea, I solve it or create it
WHAT I DELIVER:
- 🤖 Custom AI Agents & MCP (tool use, Claude Skills, computer use, multi-agent LangGraph, RAG without hallucination)
- 🎙️ 24/7 AI Voice (Vapi/Bland/ElevenLabs), WhatsApp bots, personalized video (HeyGen/Tavus)
- 📞 Autonomous AI SDR, scrape, personalized email, follow-up, human handoff
- 🔍 GEO/AEO, ChatGPT/Perplexity/Claude/Gemini visibility
- ⚡ n8n Automation + LLM, autonomous workflows in production
- 🌐 Sites & SaaS, Next.js, Supabase, Stripe, Cloudflare Workers, PWA
USE CASES
Medical practice (vocal receptionist), Lawyers (legal precedent RAG), Craftsmen (WhatsApp + vocal quotes), B2B SaaS (autonomous SDR), E-commerce (competitive intelligence), Accounting firm (invoice extraction)
STACK
Python, TS, Next.js, FastAPI, Claude Sonnet 4.6 / Opus 4.7, GPT, MCP, Skills, n8n, LangGraph, Cloudflare, Supabase, Stripe, Vapi, ElevenLabs, pgvector, Langfuse.
OPEN-SOURCE PROJECTS
Jarvis (autonomous agent 26 MCP tools), NovaRadar (AI B2B scanner), AgentCheck.fr (multi-LLM AI-readiness audit).
WHAT SETS ME APART
I don't sell mockups, I code and I deliver. 30+ sites in production, AI agents that run, and mastery of Stripe, AI, MCP, and the Anthropic ecosystem since day one. Fixed quote within 24h, response within 4h..
MODULABLE RATES
• Emergency site troubleshooting: Quote
• Custom showcase site: €599+
• AI Agents / MCP / SaaS: €450-550/day
• Recurring Lite Site: €29.99/month
AVAILABILITY
I accept 2 to 3 new custom missions per month to ensure delivery quality. Emergency troubleshooting and Lite site missions are continuously open.
Based in Strasbourg, available remotely throughout France and the EU.
French
Native or bilingual
English
Conversational
Can work on-site
Strasbourg (up to 50km)
Experience
- NovaiaWeb (société personnelle)NovaiaWeb - SaaS platform for subscription websitesJanuary 2026 - Today (7 months)Strasbourg, FranceCreation and operation of NovaiaWeb (novaiaweb.com), a web and AI agency based in Strasbourg.Built from scratch:• Complete marketing website (pure HTML/CSS/JS, Cloudflare Workers, edge deployment)• Stripe subscription tunnel for the €29.99/month Lite offer (no commitment)• Proprietary back-office for managing 30+ active clients• AI editorial pipeline for social media content creation• Full tracking stack (GA4, Microsoft Clarity, Pixels, GEO)Results: 30+ sites delivered, 26 5/5 Google reviews, recurring MRR, annual redesign offered to each client.
- Agentcheck (société personnelle)AgentCheck - Automated e-commerce AI-readiness audit (agentcheck.fr)January 2026 - Today (7 months)Audit SaaS that measures a website's visibility in generative AI (ChatGPT, Perplexity, Claude, Gemini).Checks performed:• Overall GEO score out of 100• Presence and compliance of schema.org, llms.txt, sitemap• Current mentions in LLMs• Competitor comparison• Prioritized action planStack: Python, FastAPI, SQLite, Lighthouse, Anthropic Claude API for semantic analysis. Hosted on Cloudflare.
- Projet personnelNovaRadar - Automated B2B lead generation with AI scoringJanuary 2026 - February 2026 (1 month)B2B lead generation SaaS through multi-source scraping with AI scoring.Pipeline:• Automatic scraping: Pages Jaunes, BOAMP (public tenders), Free-Work, Codeur, Kicklox• DataImpulse residential proxy for IP rotation• AI Scoring: budget × freshness × competition × skills_demand• Flask web dashboard + CRM integration• Assigned distribution TTL 12hStack: Python, Flask, PostgreSQL, OpenAI API, BeautifulSoup, Playwright, DataImpulse residential proxy.
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Education
- CS50: Introduction to Computer Science (Harvard)EDX2025Algorithmique, Programmation (C/Python), SQL, développement web (HTML/CSS/JS), logique algorithmique, gestion de projet, debugging et résolution d’incidents.
- FreeCodeCamp - Responsive Web Design (Certification)FreeCodeCamp2025Contenu : JavaScript (ES6), DOM, algorithmique, debugging, structures de données, HTML5, CSS3, Flexbox, Grid, responsive design, accessibilité, UI.
Certifications
- CS50: Introduction to Computer ScienceEDX2025