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Salary
$44k – $55k per year
Location
Hybrid (France)
Seniority
Staff · 9+ years exp
Employment
Freelance

First seen by Alion on Sep 19, 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.

Remplacer des traitements ETL historiques par du Python propre, testé et conteneurisé : une mission de développeur exigeante, dans une squad Python internationale.

L'équipe en charge des référentiels transverses d'un grand groupe bancaire harmonise ses langages et ses architectures : elle migre ses traitements ETL Informatica PowerCenter vers Python. Vous intégrez la squad Python (sprints de trois semaines, équipe répartie entre Paris et l'international) et intervenez sur plusieurs applications : l'annuaire et l'organigramme du groupe, et le référentiel des rôles — acquisition, cycle de vie des rôles, exposition par fichiers, API et datalake.

Vos principales missions :

  • Réaliser le design des nouveaux traitements à partir des spécifications des Business Analysts et des retours du Tech Lead.

  • Développer dans le respect du framework Python interne et de l'architecture conteneurisée.

  • Écrire les tests unitaires et mettre en place les tests automatiques de chaque traitement.

  • Livrer en recette et rédiger les documents de livraison pour les environnements supérieurs.

Ce que la mission vous apporte :

  • Du Python de qualité industrielle : tests, CI/CD, conteneurs, revue par un Tech Lead.

  • Un programme de migration structurant, sur plusieurs applications.

  • Une équipe internationale : l'anglais est une langue de travail.

Environnement technique : Python 3.9+, SQLAlchemy, Oracle, pytest, pandas, CI/CD, OpenShift, S3, Jenkins, Bitbucket, Checkmarx, Jira, Confluence — agile.

Profil recherché

Développeur Python confirmé, 6 à 9 ans d'expérience, formation supérieure en systèmes d'information. Socle exigé : Python 3.9+, programmation orientée objet, SQLAlchemy, bases Oracle, pytest, pandas ; environnement CI/CD automatisé, déploiements sur OpenShift, buckets S3. Expérience des traitements de transformation et d'alimentation de données. Excellente maîtrise de Jira, Confluence, Checkmarx, Bitbucket et Jenkins. Anglais courant indispensable. Atouts : BDD, Kafka, Pydantic.

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