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Salary
≈ $48k – $86k per year (Estimated)
Location
Hybrid (Paris, France)
Employment
Freelance

First seen by Alion on Oct 5, 2026.

Overview
Company
Impact
Profile match
Visian is a French data and artificial intelligence consulting firm headquartered in the Tour Europlaza at La Défense in Courbevoie, with teams in Paris and Marseille. Founded in 2016 and part of the Neurones group, it has about 350 consultants working on data strategy, data platforms, governance, AI, MLOps, data mesh, cloud and audit for clients in around ten sectors, and also staffs IT projects in Lille, Montpellier, Nice and Aix-en-Provence. It hires Java and Angular developers, data platform and DevOps engineers, AI engineers, IAM consultants, cybersecurity experts, product owners and senior project managers.
Contexte

Power est un des systèmes de booking d'une grande banque, et gère au quotidien une grosse volumétrie de deals et de produits et alimente une cinquantaine de systèmes dans la banque.
Grand projet FO/MO/BO en Java (8+/11+) dans le domaine financier avec un fort enjeu de temps réel (STP FO to BO).

  • Référentiel pour les produits listés, deals et positions pour la ligne métier Equity Derivatives (EQD) & Fixed Income (FI - Bond)

  • Processus complexes pour la gestion du cycle de vie des produits et de la position (Expiry, OST, Emissions, ...)

  • Gestion de la sécurité et des contraintes réglementaires (droits d'accès et audit des opérations, reporting réglementaire)

  • Enjeu international (déploiement et utilisateurs sur sites étrangers : Londres, Hong Kong et New York)

  • Système en position centrale en intégration forte avec les autres éléments du système d'information

Équipe d’une trentaine de personnes, divisée en pôles d'expertise :

  • Analyse et spécification

  • Développement

  • Support (L1/L2)

Basé sur WebLogic 12c / Oracle (12c/19c) / GUI RCP, Power se modularise et une mission est recherchée à destination de l'entité IT (15 personnes).
Beaucoup de sujets autour de l'obsolescence (migration technique Java 11), du DEVOPS et de la performance pour faire que Power puisse faire face à ses nouveaux challenges.

Profil recherché

Missions
  • Contribution aux projets techniques de réduction de dette technique

  • Contribution aux projets de refonte de la GUI (Angular 15)

  • Contribution aux sujets de performance (Kafka, Hibernate, …)

  • Contribution aux sujets de modularisation du monolithe (Spring Boot, Kubernetes, ...)

  • Maintenance évolutive IT & fonctionnelle

  • Assurance de la maintenabilité de l'outil et gestion de l'obsolescence

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