Freelancer profile translated to English.
Back to original languageAbout Quentin
👋 Hello! My name is Quentin Grangé, CTO/Tech Lead and Web and Mobile developer. I am here to help my clients bring their ideas to life and transform their vision into reality. 💻📱
My services are designed to meet all your needs:
✨ Assistance with feature design
🎨 High-fidelity mock-up rendering
🚀 Seamless deployment
🤖 Automated testing to ensure optimal quality
📚 Detailed documentation provided
👥 Close collaboration with a talented designer (and I have a network available if needed)
💾 Development of a database and APIs according to your requirements
In the field of web development, I offer:
🌐 Showcase websites to highlight your business
📊 Complex software with large databases and advanced calculations
⚙️ CMS implementation for easy content management
And when it comes to mobile development, I specialize in:
📱 Complex and high-performance applications, compatible with iOS and Android
My goal is to create exceptional user experiences and help you achieve your objectives. If you are looking for a competent and committed professional, do not hesitate to contact me! ✉️🤝
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Marseille (up to 100km), Bordeaux (up to 100km), Bergerac (up to 100km), Lyon (up to 100km)
Experience
- MaximômesCTO React/Node/GQL/HerokuMarch 2025 - Today (1 year and 5 months)🖼️ Creation of a SAAS for (https://maximomes.app):-> During the creation of this project, I supervised and created an application composed of 20 tables.💻 Application development:-> Application aimed at allowing users to visit a city in various ways. By scanning monuments, navigating the map, and interacting with an artificial intelligence to ask questions about tourism.-> 2 years of development- Close collaboration with the UX/UI designer- Creation of components (50+ components)- Application development with React- Implementation of end-to-end tests using Playwright- Implementation of visual tests using Argos- Implementation of server tests with Vitest- Backend development with Node.js/GraphQL (+20 Tables)- CI/CD implementation with GitHub Actions- Use of Heroku to deploy the backend
- Groupe Le MondeSenior Developer React.js/Node.js(GraphQL)ENTERTAINMENT AND LEISUREJuly 2023 - Today (3 years and 1 month)Paris, France🖼️ Maintenance and improvement of the Sirius CMS (https://www.sirius.press/):-> During the development of this project, I worked in SCRUM with a PO, a PM, and 5 other developers.💻 Application development:-> Application aimed at managing the entire lifecycle of a document, from writing, proofreading, editing, publishing, and exhibition.-> 1 year of development on a codebase with over 400,000 lines- Close collaboration with the PO, PM, and UX/UI designer- Maintenance and improvement of the design system (https://swash.sirius.press/)- Application development in React.js- Implementation of end-to-end tests using Cypress.JS- Implementation of server tests with JEST- Backend development with GraphQL/PostgreSQL (+50 Tables)- CI/CD implementation with GitHub Actions- Use of GCP
- FyndeeCTO React/ReactNative.js/Expo/DjangoTRAVEL AND TOURISMSeptember 2022 - Today (3 years and 11 months)Paris, France🖼️ Creation of a gamified culture application (http://fyndee.fr):-> During the creation of this project, I supervised and created an application composed of 40 tables and 2 microservices working in symbiosis.💻 Application development:-> Application aimed at allowing users to visit a city in various ways. By scanning monuments, navigating the map, and interacting with an artificial intelligence to ask questions about tourism.-> 2 years of development- Close collaboration with the UX/UI designer- Creation of components (50+ components)- Application development with Expo/React Native- Implementation of end-to-end tests using Detox.JS- Implementation of visual tests using Argos- Implementation of server tests with Jest- Backend development with Django (+50 Tables)- CI/CD implementation with GitHub Actions- Use of Heroku to deploy the backend💻 Back-office development:-> 1 year of development- Close collaboration with the UX/UI designer- Creation of components (20+ components)- Application development with React.js- Implementation of end-to-end tests using Cypress.JS- Implementation of visual tests using Argos- Implementation of server tests with Jest- Backend development with Django (+50 Tables)- CI/CD implementation with GitHub Actions- Use of Heroku to deploy the backend
Recommendations
FU
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Education
- Computer Engineering DegreePolytech Marseille2023Formation d’ingénieur en informatique généraliste.
- Preparatory class for Grandes ÉcolesLycée Georges Cabanis2020Classe préparatoire, spécialité mathématiques
Certifications
- Computer Engineering DegreePolytechnic School of Aix-Marseille University2023