Freelancer profile translated to English.
Back to original languageAbout Mathieu
Senior Frontend Developer – React & React Native Expert
Available evenings and weekends
Hello! I am a freelance frontend developer with over8 years of experience**, specializing in **Reactand **React Native**. My expertise lies in designing and developing modern, fluid, and performant web and mobile interfaces, with a constant focus on user experience.
I can be involved at every stage of frontend development: architecture, UI integration, state management, performance, accessibility, testing, and deployment. I am also proficient in the JavaScript/TypeScript ecosystem and best development practices to deliver clean, maintainable, and scalable code.
💡 What I offer
- React / React Native: development of responsive and robust web and mobile interfaces
- TypeScript: rigorous typing and easier maintenance
- UI/UX: pixel-perfect integration from mockups (Figma, Sketch, etc.)
- State management: Redux, Zustand, React Query, etc.
- Performance & accessibility: Lighthouse optimization, a11y audit, lazy loading, etc.
- CI/CD & frontend deployment: Vercel, Netlify, Expo, App Store & Google Play
🔧 Complementary Stack (secondary)
- Backend (if needed): Node.js, NestJS, PostgreSQL, Firebase, Ruby/Python and Java
- API: REST, GraphQL, authentication (JWT, OAuth), basic security
📅 Availability: evenings and weekends
🛠️ Positioning: frontend expert, specialized in React / React Native
🎯 Goal: deliver fast, reliable, and enjoyable interfaces
Want a website, a mobile app, or to modernize an outdated interface? Let's talk about it!
👉 Contact me to start your project.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 30km)
Experience
- My Job GlassesFrontend DeveloperEDUCATION AND E-LEARNINGJuly 2023 - Today (2 years and 11 months)Paris, France- Development of the marketplace- Maintenance of a healthy codebase- Responsible for production releases
- Renovation ManFullstack DeveloperCIVIL ENGINEERINGSeptember 2022 - July 2023 (10 months)Paris, FranceFullstack Developer- Development and maintenance of the website using React, Gatsby, DatoCMS with Graphql stack.- Development on the Front part of the Client, Employee, Partner, and Artisan portals using Angular NgRx stack.- Development on the Back part with a Rest architecture in Java 17 with Spring boot, Lombok, Postgres, and API requests to Salesforce.- Apex development on Salesforce triggers.- 3D development on the POC for a 3D bathroom configuration.- Development on Gitlab CI/CD for automated deployments.
- Renovation ManFront-end DeveloperCIVIL ENGINEERINGJune 2021 - September 2022 (1 year and 3 months)Paris, FranceDevelopment of the showcase website using the following stack: Gatsby, ReactJS, Typescript, DatoCMS (Headless CMS) and GraphQL.
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Education
- BTS in Information Technology Services for Organizations (Associate's Degree)Lycée du parc des Loges, Evry 910002020- Introduction à la programmation orientée objet en Java. - Merise et modélisation de base données. - Initiation aux méthodes agiles. - Application du versionning dans un projet (Github)
- Bachelor's Degree in MIAGE (Information Systems Management and Business Analysis)Université d'Évry2022Formation destinée à former sur un large champs de possibilités informatiques en vu de la gestion de projet.