About Guillaume
French
Native or bilingual
English
Fluent
Experience
- ArtipilotProduct BuilderApril 2026 - June 2026 (2 months)SaaS for building trade management — in production at app.artipilot.fr.All-in-one tool that allows tradespeople and small construction companies to manage their business from a single place: quotes, invoices, site monitoring, and customer relationship management.Designed for the field, accessible both in the office and on mobile.The product at a glanceArtiPilot replaces the notebook, spreadsheet, and manual follow-ups with a fluid workflow: create a quote, send it to the client, they sign it, and it transforms into an invoice and then a project — without re-entry. The interface is designed for real-world use on construction sites (large buttons, usable with gloves, mobile-first design).Designed and developed from start to finish- Architecture, development, interface design, and deployment- Complete sales cycle: quote → signature → invoice → project- Electronic invoicing- PDF document generation- Payments and subscriptionsTechnical StackNext.js · React · TypeScript · PostgreSQL · Prisma · Stripe · Capacitor (iOS/Android) · Docker containerized deployment.
- Collection MythiqueProduct BuilderJanuary 2026 - June 2026 (5 months)Web & mobile application for managing Pokémon card collections — in production, published on the App Store.Complete platform allowing collectors to catalog their cards, track their market value, and scan a card simply with their camera thanks to AI recognition.The product at a glanceMobile-first design, the application runs on web, iOS, and Android from a single codebase. At the heart of the experience: intelligent scanning that identifies a card in seconds via the camera, and value tracking connected to real market prices.Designed and developed from start to finish- Architecture, development, interface design, and deployment- AI card recognition (computer vision)- Integration of payments and subscription management- Multilingual (French, English, Japanese)- Publication and monitoring on the App Store and Google PlayTechnical StackNext.js · React · TypeScript · PostgreSQL · Prisma · Stripe · OpenAI Vision · Capacitor (iOS/Android) · Docker containerized deployment. OCR, Redis, Sentry, RevenueCat
- Pépiniere caizerguesWebmasterOctober 2025 - January 2026 (3 months)Creation and management of the Caizergues nursery website:Stack: Custom WordPress + WooCommerce
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Education
- Engineering trainingEPF Engineering School2018Systèmes informatiques et d'informations
- ManagementIAE Montpellier2023Management/commerce général