Senior Fullstack Developer (Java / React)

METALINE is an IT services company (ESN) specialising in managed infrastructure, managed services, Data Center and Digital Workplace.

Founded with the ambition of supporting companies in managing and optimising their IT infrastructures, METALINE has evolved to meet today's and tomorrow's technological challenges. As part of our growth and to meet the specific needs of one of our clients, we are looking for a Senior Fullstack Developer (Java / React) (F/M/X) for a strategic assignment.

If you want to work in a dynamic environment and take on stimulating challenges within a committed team, this assignment is made for you!

Main responsibilities

• Handle new business requests (interfaces, forms, configuration)

• Support the convergence of tools between international and mainland France

• Harmonise authentication between mainland France and international under Okta, with the Okta support teams

• Create and maintain technical documentation

• Propose and integrate new technologies

Required profile

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

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

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

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

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

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

• IdP: Okta (desired), Auth0, Keycloak. Legacy and modern environments

• Agile methods, code quality best practices

• Fluent English, both spoken and written

• Autonomous, curious, proactive, comfortable in a multidisciplinary team

Recruitment process

• Initial phone call with a Metaline Recruitment Manager

• A technical interview

• Meeting with the client