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Working from home

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Achievements

Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: Pull Sharkx2Achievement: YOLO

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SynnIA/README.md

Hi 👋 I'm Nathan Fernandes

Founder of SYNN-IA — I design digital products, automations and AI-assisted tools that solve real business problems, from the idea to production.

📍 Dijon, France · 🎓 Bachelor in Management @ BSB · 🌐 nathanfernandes.fr

🚀 What I do

  • Full-stack web development — React, Next.js, TypeScript, Supabase
  • Process automation & AI integration — Claude, GPT and related models, always with human validation
  • Product design — from need analysis to prototype, then to production

My approach: start from the business problem, then choose the technology.

🛠 Featured projects

Project What it is Status
IA-Muscu — La Forge AI coaching for training & nutrition (PWA, Claude + vision) · live: ia-muscu.vercel.app 🟢 In production
CORHOM Recruitment website + AI-assisted internal tool (GPT) to structure & publish candidate profiles 🟢 In production, used daily
ECHO DISTRICT Narrative 2D investigation game with generative-AI dialogue NPCs (Phaser + TS, Anthropic SDK) Playable demo
Sonic Vision iOS accessibility app for blind & visually impaired users — LiDAR, haptics, spatial audio, offline Swift Student Challenge 2026
FitTrack Sports & nutrition tracking web app (Next.js / TypeScript / Supabase) In progress

More on my portfolio → nathanfernandes.fr

🔒 Also building (private for now)

  • J.A.R.V.I.S — Windows desktop AI assistant (local wake-word, streaming LLM, animated particle orb) · Electron + React + TS
  • Blind Heist — asymmetric-perception multiplayer heist game with an authoritative anti-cheat server · Rust + SpacetimeDB + PixiJS
  • AURA — physical voice assistant running on a Raspberry Pi (on-device wake-word & TTS)
  • GhostWire — honest R&D on news-sentiment paper-trading (FinBERT) · Python
  • Nexo — a personal finance hub
  • Ongoing R&D at the intersection of AI and health

🧰 Tech

TypeScript React Next.js Tailwind CSS Supabase Swift Python Stripe

🤖 How I work with AI

I use each model for its strengths — Claude & Claude Code for development and agents, ChatGPT & custom GPTs for business assistants and data structuring, Perplexity for sourced research, Gemini for multimodal. The right tool for the right job, always with human validation.

📫 Get in touch

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  1. FitTrack FitTrack Public

    Sports & nutrition tracking web app — authentication, database and personal-data management. Next.js / TypeScript / Supabase. Live demo: fit-track-chi-nine.vercel.app

    TypeScript

  2. emergencycrew emergencycrew Public

    🚨 Real-time multiplayer game prototype (team school project) — lobby, power-ups, kill feed, emotes. JS client + Node server. Live: emergencycrew.vercel.app

    JavaScript

  3. json-swiss-knife json-swiss-knife Public

    🧰 The all-in-one browser JSON toolkit — format, validate, diff, convert, fix & generate schemas. Monaco Editor + Next.js + TypeScript.

    TypeScript

  4. sonic-vision sonic-vision Public

    🔊 Multi-sensory spatial awareness for blind & low-vision users — LiDAR depth → haptics + 3D spatial audio, 100% on-device. Swift Student Challenge 2026 submission.

    Swift

  5. echo-district echo-district Public

    ECHO DISTRICT — jeu d'enquête narratif 2D déterministe (démo « L'Absence »)

    TypeScript

  6. ia-muscu ia-muscu Public

    🔥 La Forge — AI training & nutrition coach (the LLM talks, the code calculates). Next.js + Supabase + Claude. Live: ia-muscu.vercel.app

    TypeScript