About Guillaume
Ingénieur Produit Senior avec plus de 20 ans d'expérience dans la conception de produits pour utilisateurs finaux (SoundCloud, Dance), avec une approche produit axée sur l'impact.
J'utilise l'agentic coding (Claude Code, etc.) pour accélérer le développement tout en appliquant les meilleures pratiques de développement logiciel.
Mes points forts : • Ingénierie produit full-stack • Android natif • Collaboration avec les équipes produit et design • Intégration de fonctionnalités IA – je développe actuellement un assistant de classification/réponse automatique.
Profil idéal : startups en phase d'amorçage/série A et équipes produit ayant besoin d'une contribution senior rapide.
Disponible pour des missions freelance, télétravail privilégié.
Recommendations (de LinkedIn):
- I had the chance to work with Guillaume on a highly technical AI mobile project, and I couldn’t have asked for a better collaborator. What should have taken three weeks, he accomplished in one with precision, clarity, and incredible attention to detail. Guillaume doesn’t just write code he architects thoughtful, scalable solutions with a strong sense of design and user experience. [...]
- Guillaume is one of the very rare true full-stack developers, with extensive Android, Web, and backend experience. He's done it all, and at scale! [...] At Dance, Guillaume worked across our entire stack, shipping important user-facing features and improving the development experience with an elaborate test user infrastructure that he pitched and delivered. [...]
- Guillaume has consistently been lifting the team upwards by bringing great expertize and skills around technology and processes. His team spirit, dedication, passion for the project also provides a constant boost to the entire team.[...]
- Guillaume est doté d'un esprit curieux qui lui permet d'appréhender naturellement les évolutions technologiques, et fait preuve de beaucoup de pragmatisme dans son travail tout en étant très rigoureux. [..]
French
Native or bilingual
English
Fluent
German
Conversational
Can work on-site
Bordeaux (up to 10km), Paris (up to 10km)
Experience
- freelance - cannot discloseSenior Software Engineer (Frontend & Gen-AI)July 2025 - July 2025Build a Proof of Concept for a startup creating an application centered around a chatbot. Personalize the chatbots' with custom prompts and a set of documents. Elevate the LLM responses into custom UI, including call to actions and UI widgets.
- freelance - ra-inSenior Software Engineer (Backend & Frontend)September 2024 - June 2025 (9 months)• Backend: Python, FastAPI, Pydantic, pytest, Google Cloud• Frontend: Next.js. React, TypeScript, Chromatic, Figma, Token Studio , Style Dictionary, Tailwind, Jest, eslint, Vercel
- freelance - dance.coSenior Software Engineer (Android)September 2024 - Today (1 year and 10 months)Build an Android application for user support and to manage some of their e-bike functionality. I am the sole Android engineer in a team of 3 software engineers.
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Education
- IngénieurEPITA2005