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Salary
≈ $72k – $213k per year (Estimated)
Location
In office (Luxembourg City)
Seniority
Senior · 5+ years exp

First seen by Alion on Oct 13, 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.

Dans le cadre du renforcement de notre équipe, nous recherchons un Développeur Java Senior Full Stack, avec une forte expertise Front-end, pour intervenir sur des applications métier à forts enjeux.

 

 

Missions

  • Concevoir, développer et faire évoluer des applications web en environnement Java.

  • Participer à la conception et au développement des interfaces utilisateurs, avec une forte implication sur la partie Front-end.

  • Développer les composants Back-End et les APIs nécessaires au bon fonctionnement des applications.

  • Participer aux choix techniques et à l'évolution de l'architecture applicative.

  • Garantir la qualité, la performance et la maintenabilité du code.

  • Réaliser les tests unitaires et participer aux tests d'intégration.

  • Collaborer avec les équipes métier, les développeurs et les autres parties prenantes.

  • Participer aux revues de code et contribuer à l'amélioration continue des pratiques de développement.

 

Profil recherché

  • Minimum 5 ans d'expérience en développement Java.

  • Excellente maîtrise de Java et Spring / Spring Boot.

  • Solide expérience en développement Front-end, notamment avec Angular ou un framework JavaScript/TypeScript équivalent.

  • Bonne maîtrise de HTML, CSS et JavaScript / TypeScript.

  • Expérience dans la conception et l'intégration d'APIs REST.

  • Bonne compréhension des architectures web et des problématiques d'intégration Front-end / Back-End.

  • Expérience avec les bases de données relationnelles et SQL.

  • Sensibilité aux problématiques d'UX, de performance et de responsive design.

  • Habitude de travailler dans un environnement Agile.

  • Expérience en banque
  • Compétences techniques:
    • Back-End : Java, Spring, Spring Boot, REST API
    • Front-end : Angular, TypeScript, JavaScript, HTML, CSS
    • Base de données : SQL / bases relationnelles
    • Méthodologie : Agile / Scrum, GIT, CI/CD

 

Qualités recherchées

 

Nous recherchons un profil autonome, rigoureux et force de proposition, capable d'intervenir sur l'ensemble de la chaîne de développement, tout en ayant une réelle appétence pour le Front-end et la conception d'interfaces web modernes.

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