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Salary
≈ $48k – $88k per year (Estimated)
Location
In office (Puteaux)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 9, 2026. First seen by Alion on Oct 8, 2026. Metaline scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Metaline is a French IT services company (ESN) specialising in infrastructure outsourcing, managed services, data centre operations and digital workplace support for corporate clients. It places engineers and technicians on client missions across France, with assignments concentrated in the Paris region at sites such as Châtillon, Guyancourt and Montreuil and further postings in Brittany, Normandy and other regions. Its openings cover workplace and support technicians, travelling datacenter technicians, DevOps and GPU DevOps engineers, back-end and full stack developers, IAM specialists, agile PMOs and quality technicians.

METALINE est une ESN spécialisée dans l’infogérance, les services managés, le Data Center et le Digital Work Place.

Fondée avec l’ambition d’accompagner les entreprises dans la gestion et l’optimisation de leurs infrastructures IT, METALINE a su évoluer pour répondre aux enjeux technologiques d’aujourd’hui et de demain. Dans le cadre de notre croissance et pour répondre aux besoins spécifiques de l’un de nos clients, nous recherchons un.e Développeur Fullstack senior (Java / React) (F/H/X) pour une mission stratégique.

Si vous souhaitez évoluer dans un environnement dynamique et relever des défis stimulants au sein d’une équipe engagée, cette mission est faite pour vous !

Missions principales

  • Prendre en charge les nouvelles demandes métiers (interfaces, formulaires, paramétrage)

  • Accompagner la convergence des outils entre l'international et la métropole

  • Harmoniser l'authentification métropole / international sous Okta, avec les équipes support Okta

  • Créer et maintenir la documentation technique

  • Proposer et intégrer de nouvelles technologies

Profil recherché

  • Langages : Java 11/17, JavaScript ES6+, TypeScript

  • Front : React, Context API, React Query, React Router DOM, Redux Toolkit, Tailwind CSS, Vite

  • Back : Spring Boot, Spring Security, Spring Cloud, Spring Data, Hibernate

  • Cloud / outils : AWS (ECS, S3, RDS, Batch), MongoDB Atlas, Datadog, Docker

  • CI/CD : GitLab, GitLab CI, Nexus, Terraform, Ansible

  • IAM (point clé) : OAuth 2.0 / OIDC, JWT, Authorization Code + PKCE, SCIM 2.0, flux M2M (Client Credentials), SSO, MFA, RBAC

  • IdP : Okta (souhaité), Auth0, Keycloak. Environnements legacy et modernes

  • Méthodes agiles, bonnes pratiques de code qualité

  • Anglais courant, à l'oral comme à l'écrit

  • Autonome, curieux, force de proposition, à l'aise en équipe pluridisciplinaire

Process de recrutement

  • Premier échange téléphonique avec un Responsable recrutement Metaline

  • Un Entretien Technique

  • Rencontre avec le client

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