Freelancer profile translated to English.
Back to original languageAbout Gregoire
Full-Stack & Data Scientist Developer, with 8+ years of experience in web and digital marketing, I support companies in the design, development, and deployment of robust web and data products, focused on usage and performance.
With a hybrid tech + business background, I am comfortable with product, UX, and performance issues as well as purely technical topics. I have worked on marketplaces, SaaS platforms, APIs, mobile applications, and data projects, in an agile environment.
💻 Web & Application Development
– Full-stack development (Ruby on Rails, Node.js, Python)
– Modern front-end (React, Next.js, Vue, Stimulus, Hotwire)
– REST API development (FastAPI, Flask, Express)
– Mobile applications (React Native / Expo)
– Online payment (Stripe), authentication, user roles
– Testing, TDD, maintenance, and refactoring of existing code
📊 Data Science & MLOps
– Data analysis and manipulation (Python, Pandas, NumPy)
– Supervised and unsupervised machine learning (scikit-learn)
– Deep learning concepts (TensorFlow, Keras)
– Data visualization (Matplotlib, Seaborn)
– Model deployment via FastAPI and Streamlit applications
– Experiment tracking and model management with MLflow
– Data & ML pipeline orchestration with Prefect
☁️ Cloud & Deployment
– Containerization with Docker
– Deployment on Google Cloud Platform (GCP)
– Cloud Storage, Compute Engine
– CI/CD (GitHub Actions)
– Hosting: Heroku, Vercel, O2Switch
🤝 Approach & Added Value
– Product & business vision thanks to my background in web marketing
– Clean, maintainable, and long-term oriented code
– Strong autonomy, clear communication, team spirit
– Ability to intervene from idea to production
I can be involved in development, refactoring missions, or production data/ML projects, as team reinforcement or fully autonomously.
English
Fluent
Spanish
Basic
French
Native or bilingual
Can work on-site
Bordeaux (up to 50km)
Experience
- BluepocketFullstack developerSOFTWARE PUBLISHINGJune 2025 - Today (1 year)Bordeaux, FranceComplete development of a quote creation mobile application for iOS and Android.Development of an API in Python with the Flask framework for the backend. Development of applications with React Native / Expo for the front-end.Feature development, bug fixing, deployment to production and app stores.Implementation of tests and documentation of code and API.
- MaVilleMonShopping.frFullstack DeveloperE-COMMERCEMay 2022 - June 2025 (3 years and 1 month)Bordeaux, FranceDesign and development of features.I started by working in the backend team on the platform's APIs. Then, as a fullstack developer, I joined the feature team responsible for the product catalog, search engine, homepage, product pages, and product listings.Ruby on Rails, Hotwire, Stimulus, Rspec, Heroku, ElasticsearchTeamwork in agile methodology with Scrum initially, then Kanban for daily deployments.
- Auto-entrepreneurFull stack developerSOFTWARE PUBLISHINGJune 2020 - Today (6 years)Bordeaux, Nouvelle-Aquitaine, FranceDesign and development of web applications (showcase sites, business applications, e-commerce).Full-stack front-end and back-end.Responsive integration and user experience optimization.Specific and custom developments, adapted to client needs.Good communication and adaptability to concrete project needs. I provide assistance throughout the technical cycle: design, implementation, testing, and deployment.
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Education
- Designer developer in artificial intelligence and big data analysis - Level 6Le Wagon2026Acquisition de compétences solides en analyse de données, modélisation statistique et machine learning, depuis la collecte des données jusqu’au déploiement de modèles. Compétences acquises : Data & Machine Learning – Analyse et manipulation de données avec Python (Pandas, NumPy) – Visualisation de données (Matplotlib, Seaborn) – Machine Learning supervisé et non supervisé (scikit-learn) – Feature engineering, validation croisée et évaluation de modèles – Notions de Deep Learning Développement & APIs – Création d’applications data interactives avec Streamlit – Développement d’APIs de modèles avec FastAPI Mise en production & Cloud – Conteneurisation avec Docker – Déploiement sur Google Cloud Platform (GCP) – Utilisation de Cloud Storage (stockage de données et artefacts) – Déploiement et exécution sur Compute Engine MLOps & Orchestration – Suivi d’expériences et gestion de modèles avec MLflow – Orchestration de pipelines data et ML avec Prefect
- Full-Stack Web Developer Certification (RNCP level 6)Le Wagon2020Acquisition de compétences solides en développement web full-stack, depuis la conception d’une application jusqu’à sa mise en production, avec une approche orientée produit, qualité et bonnes pratiques. Compétences acquises : Développement Web Full-Stack – Développement backend avec Ruby et Ruby on Rails – Conception d’architectures MVC, gestion des modèles, contrôleurs et routes – Gestion des bases de données relationnelles (SQL, ActiveRecord) Front-end & Intégration – Intégration front avec HTML, CSS, JavaScript (ES6) – Développement d’interfaces dynamiques avec Stimulus – Utilisation de frameworks CSS (Bootstrap) – Sensibilité UX et responsive design APIs & Logique applicative – Création et consommation d’APIs REST – Gestion de l’authentification, des rôles utilisateurs et des permissions – Implémentation de fonctionnalités métiers complètes Outils & Bonnes pratiques – Gestion de version avec Git & GitHub – Travail en équipe et gestion de projet agile – Structuration du code, lisibilité et maintenabilité Mise en production – Déploiement d’applications web sur Heroku – Gestion des environnements et des variables de configuration