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Salary
$92k – $112k per year
Location
Hybrid (Nantes, France)
Employment
Freelance

First seen by Alion on Oct 23, 2026.

Overview
Company
Impact
Profile match
Catamania (Cat-Amania) is a French digital services and IT consulting group that delivers application development, data engineering, project management and cybersecurity work for large corporate clients in banking, insurance and industry. It runs regional agencies in cities such as Paris, Niort, Lyon, Le Mans, Bordeaux, Tours, Lille, Montpellier and Brest, alongside its Umania and Innovia R&D units, and recruits data engineers, Java and Angular developers, application architects, business analysts and PMOs. The company is headquartered in Saint-Herblain near Nantes, France.

Renfort de l'équipe avec un développeur front-end React / TypeScript. Le consultant intégrera l’équipe projet Catamania et participera au développement et à l’évolution des applications web, en collaboration avec les équipes techniques et fonctionnelles.

  • Concevoir et développer des interfaces web avec React et TypeScript.

  • Développer des composants réutilisables et maintenir un code de qualité.

  • Intégrer les maquettes UX/UI en HTML5, CSS3 et JavaScript.

  • Consommer les API REST et assurer l’intégration avec les services back-end.

  • Développer et maintenir les tests unitaires et d’intégration.

  • Corriger les anomalies et optimiser les performances.

  • Appliquer les bonnes pratiques d’accessibilité et de sécurité.

  • Participer aux revues de code, aux cérémonies Agile et aux échanges avec les équipes métier.

Profil recherché

Compétences requises

Indispensables :

  • React.js, hooks et TypeScript.

  • JavaScript ES6+, HTML5 et CSS3.

  • Intégration d’API REST.

  • Git et travail collaboratif.

  • Tests front-end (Jest, Vitest ou React Testing Library).

Souhaitées :

  • Redux Toolkit ou Context API.

  • Connaissance du DSFR et du RGAA.

  • GitLab CI/CD, Docker et environnement Linux.

  • Connaissances Java / Spring Boot.

Profil recherché

  • Développeur front-end confirmé, autonome et rigoureux.

  • Capacité à travailler en équipe et dans un environnement Agile.

  • Sensibilité à la qualité logicielle, à la sécurité et à la maintenabilité.

  • Une expérience dans le secteur public constitue un plus.

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