# Hadouin Leroy — https://hadouin.com

> Freelance creative developer in Paris. Web apps, 3D (Blender, Three.js), and onchain games (Starknet, Dojo).

## Identity
- Name: Hadouin Leroy
- Role: Founding Engineer at Runelabs; freelance creative developer
- Location: Paris, France
- Email: contact@hadouin.com
- Phone: +33 7 67 35 80 80
- Languages: French (native), English (fluent)

## Expertise
- Creative development, UX design, certified Scrum Master
- Web: Astro, React, Svelte, TypeScript, Angular
- 3D: Blender, Three.js
- Onchain gaming: Starknet, Cairo, Dojo, Rust indexers
- Tools: Figma, Docker, GitLab CI/CD, PostgreSQL

## Current work
- Runelabs (Web3 game studio) — Founding Engineer since Jan 2025
- Midgard — score-based competitive markets on Starknet
- PonziLand — full-stack onchain DeFi game on Starknet

## Education
- ISEP — Institut Supérieur d'Électronique de Paris (2025)
- Exchange: Glyndwr University (Wales), Presidency University (Bangalore)

## Projects (priority order)
- Midgard: https://hadouin.com/projects/midgard — Score-based competitive markets on Starknet
- PonziLand: https://hadouin.com/projects/ponziland — Fully onchain DeFi metagame on Starknet (SvelteKit, Cairo, Dojo, Rust)
- JE Intervenants: https://hadouin.com/projects/je-intervenants — Expert directory connecting alumni and students at Junior ISEP
- Enoria: https://hadouin.com/projects/enoria — Collaborative church management app (UI rework and freelance feature work)
- Deep Trading: https://hadouin.com/projects/deep-trading — End-to-end algo trading platform: backtest → review metrics → deploy live bots with risk guardrails, real-time telemetry (Sharpe, equity curves), and strategy marketplace (SvelteKit, Python, Alpaca)
- Moodle UX/UI Redesign: https://hadouin.com/projects/moodle-redesign — Full UX/UI redesign of the Moodle mobile app
- Locavore: https://hadouin.com/projects/locavore — Mobile app concept mapping French local markets
- Emi: https://hadouin.com/projects/emi — Connected vest and web platform for industrial worker health monitoring
- LinkMeal: https://hadouin.com/projects/linkmeal — App fighting food waste by letting students exchange uneaten meals
- Monquiro: https://hadouin.com/projects/monquiro — Brand identity for an AI accounting SaaS
- Le Jockey Tricolore: https://hadouin.com/projects/jockey-tricolore — Logo rebrand for a French DJ collective
- Centime: https://hadouin.com/projects/centime — Logo and brand identity design
- FreeRoom • Edelweiss: https://hadouin.com/projects/freeroom — Real-time free classroom finder for ISEP (SvelteKit, Prisma, PostgreSQL)
- Javarchitects: https://hadouin.com/projects/javarchitects — Famous board game as a JavaFX application
- Pokemon Java: https://hadouin.com/projects/pokemon-java — Pokemon battle simulator in Java
- GeoPython: https://hadouin.com/projects/geopython — Geometry Dash recreated in Python

## Blog
- English: https://hadouin.com/blog
- French: https://hadouin.com/fr/blog

## Profiles
- Website: https://hadouin.com
- GitHub: https://github.com/hadouin
- LinkedIn: https://www.linkedin.com/in/hadouin
- Twitter/X: https://twitter.com/hadouin

## Contact
- https://hadouin.com/contact
- mailto:contact@hadouin.com

## French site
- https://hadouin.com/fr/