Freelancer profile translated to English.
Back to original languageAbout Guillaume
⚡️ Web & Mobile Developer
🧩 Versatile Profile - Fullstack
🌍 Fully Remote
I build robust and scalable web and mobile applications, with a focus on user experience.
🎯 My Areas of Expertise
💻 Joining Development Teams (Web & Mobile)
I join existing technical teams as support, both frontend and backend, with a strong ability to adapt to ongoing projects.
→ Frontend Web Development (Next.js, Angular, TypeScript)
→ iOS & Android Mobile Development (Flutter, React Native)
→ Server-side intervention: APIs, business logic, databases
→ Taking over, refactoring, and evolving existing products (UX, performance, maintainability)
→ Working with Agile methodology or in complete autonomy
🚀 Custom Creation & Website Redesign
I also support my clients in the complete creation of their showcase website, from initial concept to launch.
→ Support on site structure and design
→ Custom WordPress theme development
→ Content integration and performance optimization
→ Training on WordPress usage for autonomous handling
→ Delivery and Launch
Do you have a project or product to evolve?
# I am available 7 days a week via Malt messagingFrench
Native or bilingual
English
Fluent
Can work on-site
Dax (up to 50km), Bordeaux (up to 50km)
Experience
- DOOZISFullstack Mobile Developer | Freelance | Full RemoteSOFTWARE PUBLISHINGJune 2025 - December 2025 (6 months)Paris, FranceComplete redesign of the Doozis cross-platform application.As a full-stack developer, I developed cross-functional features, from integrating web and mobile interfaces to designing APIs, business services, and database entities.Notably, I implemented the application's subscription and payment system, including user and access rights management, subscription services, and multi-platform payments.
- Ilo-studioFullstack Developer | Freelance | Full RemoteSOFTWARE PUBLISHINGAugust 2025 - September 2025 (1 month)Angers, FranceCreation of the website https://hypnose-ilie.fr/
- Creation of the Wordpress theme in PHP
- Development of reusable components via Elementor in PHP/Javascript
- Responsive integration for adapted display on desktop, mobile, and tablet
- Configuration and Production Deployment on the client's OVH server
- Insho AtelierFullstack Developer | Freelance | Full RemoteTECHJune 2025 - August 2025 (2 months)Angers, FranceCollaboration with a web design studio for the redesign of the e-commerce site for **Insho Atelier**, specialists in textile printing.The development and integration of the new design were carried out based on the existing foundation, while keeping the previous version stable and online.As a full-stack developer, I ensured the delivery of a robust, maintainable, and design-faithful website, adapted for both mobile and desktop platforms.
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master - Expert in Information TechnologyEPITECH2023Cycle master de 2 ans à EPITECH, avec une année d'échange universitaire à l'étranger.
- Certificate of University Year CompletionChung-Ang University2022Année d'échange universitaire dans l'université de Chung-Ang à Séoul, Corée du Sud.