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Salary
$112k – $177k per year
Location
Hybrid (Lyon, France)
Seniority
Senior · 5+ years exp
Employment
Freelance

First seen by Alion on Sep 11, 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.

Au sein d’un projet SI à fort enjeu, vous intervenez sur une plateforme assurant la supervision, le monitoring et la gestion des échanges d’un parc d’équipements communicants.

Intégré(e) à une organisation Agile composée d’équipes pluridisciplinaires, vous jouez un rôle central dans la fiabilité, la performance et l’évolution technique du SI.

Vos principales missions seront :

  • Participer au diagnostic et à la résolution d’incidents de production complexes.

  • Assurer le support technique de niveau 3 auprès des équipes projet.

  • Piloter des chantiers techniques et contribuer aux évolutions d’architecture.

  • Participer à la conception, au développement et à l’amélioration continue des solutions.

  • Réaliser ponctuellement des développements complexes et des revues de code.

  • Garantir la robustesse, la qualité, la performance et la maintenabilité des livrables.

  • Rédiger la documentation technique et animer des ateliers techniques.

  • Collaborer avec les équipes de développement, DevOps, architecture et cybersécurité.

Des interventions hors horaires normaux et des astreintes peuvent être prévues.

Profil recherché

Vous justifiez d’au moins 5 ans d’expérience en développement et expertise technique sur des environnements Java, idéalement dans des contextes de production exigeants.

Vous disposez de solides compétences en :

  • Java et Spring.

  • React.

  • Développement piloté par les tests (TDD).

  • Diagnostic d’incidents, analyse de logs et résolution de problèmes complexes.

  • Revue de code, qualité logicielle et bonnes pratiques de développement.

  • Architecture applicative, performance et robustesse des solutions.

  • Travail en environnement Agile et collaboration avec des équipes techniques pluridisciplinaires.

Autonome, rigoureux(se) et doté(e) d’un bon sens du collectif, vous savez faire preuve de recul face aux problématiques techniques complexes et accompagner les équipes dans la recherche de solutions pérennes.

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