Freelancer profile translated to English.
Back to original languageAbout Mathieu
Web application and custom website developer
Creator ofweb applicationsandwebsiteswith over **5 years of experience**, I help companies develop their digital tools and improve their online presence.
What I can create for your company:
Websites and applications
Custom business tools
- Management systems
- Collaborative platforms
- Analysis tools
My areas of expertise
Projects completed
- Business applications for startups and SMEs
- High-performanceweb platforms
- Real-time analytics dashboards
- Management tools and custom systems
Why choose me?
- 5+ years of experience
- Full support
- Custom solutions tailored to your budget and needs
- Maintenance and evolution of your digital tools
- Clear communication with non-technical people
Available immediately for:
- From scratch projects (complete creation)
- Improvement of existing tools
- Team reinforcement on important projects
- Long missions and lasting partnerships
Type of mission where I intervene:
- Fullstack TypeScript developer
- Fullstack JavaScript developer
- Frontend Vue.js / Nuxt.js developer
- Backend Node.js/NestJS developer
Contact me to discuss your project and get a personalized quote.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 20km), Marseille (up to 20km), Nice (up to 20km)
Experience
- Institut du cancer Avignon-ProvenceReact Native DeveloperMEDICALAugust 2025 - August 2025Paris, FranceFollowing a critical failure making their internalmobile applicationunavailable, the Avignon-Provence Cancer Institute called on my services to deploy an emergency intervention for the diagnosis and resolution of the malfunction on theirReact Nativeecosystem.To do this, I applied an intervention methodology:
- Diagnosis and preliminary analysis
- Technical resolution
- Validation and deployment
- Results and deliverable
- Documentation and recommendations
Intervention carried out for the Avignon-Provence Cancer Institute in compliance with quality standards and goodReact Nativedevelopment practices. - Fédération des Marocains Résident à l'ÉtrangerLead fullstack TypeScript developer - Nuxt.js | Vue.js | NestJSPUBLIC SECTORDecember 2024 - March 2025 (3 months)Paris, France
Creation of a complete web platform from scratch
The challenge:Develop a complete digital solutionto optimize member management andimprove the user experienceof an organization.My contribution:*Complete architecture**: Design and **development of the API**, **databaseanduser interfaces- Multi-role platform:Creation of dedicated spaces(members, administrators, managers) withsecure permissions
- IntegratedCMS**: Implementation of a **content managementsystem allowing autonomous publication of articles
*Optimized performance**: **Scalable architecturesupporting load increaseTechnologies:NestJS**, **PostgreSQL**, **Vue.js/Nuxt.js**, **Prismic**CMS**Results delivered:- ✅ Time saving:Automation of member management processes
- ✅ **Customer autonomy**: Team capable of managing content without technical intervention
- ✅ Scalability:Architectureprepared forfuture growth
- ✅ Enhanced security: Granular permissions system andsecure API
- NijiLead front-end TypeScript developer - Vue.jsDIGITAL AND ITFebruary 2023 - November 2023 (9 months)Nice, France
Architecture and optimization of a strategic web application
The challenge: Design thefront-end architectureof acomplex applicationfor a major client, guaranteeing performance and scalability.My contribution:*Technical leadership**: Direction of the **front-end architectureand strategic decisions*Design system**: Creation of a **library of reusable componentsto accelerate future developments*Performance optimization**: Improving the responsiveness and fluidity of the **user experience- **Team management**: Supervision and training of a junior developer
- Project management: Working inAgile sprintsforregular deliveries
Technologies:Vue.js**, **TypeScript**, **Pinia**, **Front-End Architecture**, **Agile MethodologyResults delivered:- ✅Optimizedand smootheruser experience
- ✅ Accelerated development thanks to the design system created
- ✅ Scalability guaranteed with ascalable architecture
- ✅ Team strengthened by the junior's skills development
- ✅Regular deliveriesrespecting client deadlines
Reviews
Recommendations
+2
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Education
- Web DeveloperOpenClassRooms2020Cette formation apprend à : 🔸 Découper, assembler et intégrer tous les éléments d’une maquette graphique en HTML5 et CSS 🔸 Ajouter du contenu audio et vidéo en HTML5 🔸 Animer les pages web avec CSS3 🔸 Appliquer les standards du web et les normes en vigueur 🔸 Construire un site web fluide s’adaptant à tout type d’écran (web, smartphone et tablette) 🔸 Améliorer le référencement naturel en utilisant les balises selon leur sémantique 🔸 Faire réagir la page web en fonction des actions de l’utilisateur en JavaScript 🔸 Se connecter à un service web pour exploiter des données tierces (API) 🔸 Gérer les comptes utilisateurs 🔸 Concevoir un site maintenable grâce à la gestion des erreurs et exceptions 🔸 Créer, gérer et afficher le contenu d’une base de données.
Certifications
- Use Git and GitHub for your development projectsOpenClassRooms2020
- Get started with BootstrapOpenClassRooms2020