About Guillaume
- Custom web applications and sites: showcase sites, SaaS, dashboards, and back-offices (Next.js, React, TypeScript)
- iOS and Android mobile applications with a native experience: push notifications, app store publishing, management back-office (React Native, Expo)
- Robust backends, ready to scale: APIs, business logic, databases (Python, Django, DRF, PostgreSQL)
- Deployment and automation: your product goes live — and stays live (Docker, CI/CD, AWS, Vercel)
French
Native or bilingual
English
Fluent
Experience
- FusilyFounder & Full-Stack DeveloperSOFTWARE PUBLISHINGSeptember 2024 - Today (1 year and 11 months)Lyon, FranceFusily is a mobile application (iOS and Android) that simplifies recipe creation and sharing, as well as meal planning, while reducing food waste.I designed, developed, and published the product end-to-end, alone:
- React Native / Expo mobile application, published on the App Store and Google Play
- Django / DRF backend with PostgreSQL database: user accounts, recipes, meal planning, shopping lists
- Delivery pipeline: EAS builds, OTA updates, versioning strategy aligned with native runtimes
- Brand identity and interface design, multilingual screenshots for the stores
- Content and marketing: website, social media (Reels), content production automation
Fusily is also my live laboratory: every product, technical, and design decision is mine — it's the same level of care I bring to my clients' projects. - MedSmartPython Backend DeveloperSOFTWARE PUBLISHINGJuly 2024 - September 2024 (2 months)Lyon, FranceBackend development (Python / Django) for the teletransmission system between mutual insurance companies and alternative medicine practitioners (osteopaths, hypnotherapists, etc.):
- Integration of a system for mutual insurance coverage using the same AMC number
- Updates and bug fixes on the practice management tool
- Epic GamesPython Backend DeveloperSOFTWARE PUBLISHINGJuly 2021 - February 2024 (2 years and 7 months)Paris, FranceAfter the acquisition of Sketchfab by Epic Games, contributed to building FAB, Epic Games' unified asset marketplace for creators (merging Sketchfab, Unreal Marketplace, and Quixel catalogs), ahead of its launch.
- Python / Django / DRF backend development
- Worked on large-scale migration and integration challenges (catalogs with millions of assets)
- Collaboration with internationally distributed teams, in English
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Education
- Licence, Développeur d'application PythonOpenClassrooms2021Licence, Développeur d'application Python