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Sopra Steria

IT consulting, digital services, and transformation

Full Stack Java React Developer - Services Financiers

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeÎle-de-France, FranceNo salary listed

About the Job

Requirements

  • Be a graduate of an engineering school or university-level program, or have equivalent qualifications.
  • Have at least 5 years of experience with the Java and React.js stack.
  • Have significant experience with critical applications in at least one of these environments: high-volume or real-time systems, enhanced security, or horizontal scalability.
  • Have mastery of microservices, Kafka, Docker, Kubernetes, and CI/CD.
  • Have previously held technical responsibility for an end-to-end scope.

Responsibilities

  • Design, develop, and evolve critical applications for B2C, B2B, internal, or distributed use in demanding environments requiring performance, high availability, security, scalability, and advanced CI/CD.
  • Develop Java 17+ microservices using Spring Boot 3+.
  • Design distributed and event-driven architectures using Kafka.
  • Design and expose REST APIs, including standardization and versioning.
  • Implement batch processing with Spring Batch.
  • Optimize performance through multithreading, memory management, and profiling.
  • Work with Oracle and PostgreSQL, including SQL tuning and indexing.
  • Implement robustness and security measures using OAuth2, JWT, RBAC, and internal standards.
  • Develop single-page applications using React 18+, TypeScript, and Redux Toolkit.
  • Integrate a design system such as Material, an internal system, or an equivalent.
  • Manage advanced application state and optimize rendering.
  • Test frontend applications using Cypress or Jest.
  • Ensure accessibility in accordance with WCAG/RGAA.
  • Build advanced CI/CD pipelines using GitLab CI or Jenkins.
  • Use Docker and Kubernetes.
  • Monitor and support observability using Grafana, Prometheus, and ELK.
  • Maintain quality using SonarQube and test-driven development.
  • Work using Agile/Scrum or a hybrid model.
  • Produce technical documentation using OpenAPI and Confluence.
  • Participate in code reviews and pair programming.

Desired Qualifications

  • Experience with performance profiling, multithreading, and memory management.
  • Experience with accessibility standards WCAG/RGAA.
  • Experience with SonarQube and test-driven development.

About the Company

Sopra Steria

IT consulting, digital services, and transformation

Sopra Steria provides consulting, digital services and solutions to help large organizations transform their business through technology. Its offerings cover strategy, systems integration, cloud, cyber security, software development, and managed services, designed to be delivered end to end—from assessing needs and designing a plan to implementing and operating IT systems. The company combines deep knowledge of many industries with a collaborative approach to tailor projects to each client and to deliver measurable, sustainable improvements in performance. Differentiators include its European scale (about 51,000 employees across roughly 30 countries), broad scope—from strategy to operation—and emphasis on practical outcomes that help clients stay competitive. The group’s goal is to put digital to work for its clients in a way that creates a positive, more productive future for all stakeholders.

Company size
10,001+
Company stage
IPO
Headquarters
Paris, France
Founded
1968

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