Freelancer profile translated to English.
Back to original languageAbout Thomas
Freelance mobile and web developer, specializing in React Native and TypeScript.
Under my brand Treeatcore, I have designed, developed, and published three
applications on the Google Play Store, and I continue to create them
regularly, from the first line of code to production and maintenance. I have mastered the entire cycle of a mobile project: architecture, React Native development, API integration, Firebase backend, store publication, and post-launch monitoring.
On the web side, I develop modern, custom, and responsive interfaces in React, for complete projects — professional websites or e-commerce stores. Design and user experience are central to my approach.
Whether you need a mobile application, a website, or both, I can take charge of the project from start to finish or integrate into an existing team. Clean code, met deadlines, clear communication at every step.
Available remotely, for short or long assignments.
Let's talk about your project.
👉 Portfolio & services: treeatcore.com
French
Native or bilingual
English
Conversational
Can work on-site
Pau (up to 50km)
Experience
- Treeatcore (micro-entreprise)React Native / Web Developer (Freelance)September 2025 - Today (11 months)Pau, FranceCreation of my mobile and web development micro-enterprise underthe brand Treeatcore.Design, development, and publication of three applications on theGoogle Play Store, with complete autonomy: React Native architecture,TypeScript, API integration, Firebase backend, store publication, andafter-launch maintenance.Development of React applications and websites for independent clientsand small businesses: custom interfaces, responsive, from requirementsgathering to going live.Management of all projects solo: technical, design, client relations,and follow-up.
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Education
- RNCP Level 5 Diploma (Bac +2) Web Developer / IntegratorOpenClassrooms2023● Création de la page d’accueil d’une agence de voyage en HTML / CSS ● Amélioration de l’interface d’un site mobile avec des animations CSS / SASS ● Développement d’une page web dynamique en JavaScript ● Planification du développement d’un site web client (cadrage, arborescence, spécifications) ● Réalisation d’une application web de location immobilière avec React ● Optimisation du SEO d’un site de photographe (structure, balises, performance) ● Débogage et correction d’un site d’agence événementielle ● Intégration front-end d’une application bancaire en React ● Conception et intégration d’une maquette web : de la création du contenu à la réalisation du design
- RNCP Level 5 Diploma (Bac + 2), Systems & Networks - IT TechnicianOpenClassrooms2021● Assemblage d’un ordinateur sur mesure selon les besoins du client ● Mise à niveau de l’infrastructure informatique d’une startup ● Déploiement et configuration de l’infrastructure informatique d’une startup ● Support utilisateur (assistance, résolution d’incidents, accompagnement) ● Administration et maintenance quotidienne de l’infrastructure (postes, réseau, comptes, sécurité) ● Mise en place de services partagés en entreprise et automatisation de tâches (scripts / outils) ● Intervention terrain en tant que technicien informatique (installation, dépannage, configuration)