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Othmane E.OE

Othmane E.

Java Developer

€550/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Othmane

Senior Java Developer

Senior developer with a strong focus on architecture and delivery, I am involved in the entire project lifecycle: from technical design to production, including team management.

My experience covers varied and demanding fields such as cybersecurity, supply chain, and critical applications, which has allowed me to develop a real ability to quickly grasp complex business contexts.
What I bring to your projects:
  • On the technical side, I design and develop robust microservices architectures with Java / Spring Boot, manage inter-service communication (gRPC, RabbitMQ, Kafka), and oversee deployment on AWS and GCP cloud infrastructures with Kubernetes and an IaC approach.
  • On the delivery side, I structure and automate CI/CD pipelines, ensuring continuous, reliable, and secure deployment.
  • On the human side, I support team skills development and actively contribute to agile dynamics (Scrum, Kanban).
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Lyon (up to 30km), Annecy (up to 30km), Paris (up to 10km), Nice (up to 10km), Antibes (up to 10km)

Experience

  • GE Vernova
    Senior Java Developer
    ENERGY AND UTILITIES
    January 2024 - Today (2 years and 5 months)
    Lyon, France
    Design and development of a microservices-based WMS – Supply Chain & SAP integration

    As a senior developer, I led the design, development, and delivery of a Warehouse Management System (WMS) based on a microservices architecture, integrated with SAP and aligned with Lean Manufacturing principles.
    Architecture & Development
    Designed the microservices architecture, backend development with Java / Spring Boot, asynchronous communication via RabbitMQ, and REST API exposure.
    Infrastructure & Cloud
    Deployment and orchestration of services on Kubernetes and hosting on AWS.
    Team Management
    Mentoring and upskilling new team members on architecture and development practices.
    Full-stack Development Web Development Java Spring Boot TypeScript
  • Zenika
    Java Developer
    DIGITAL AND IT
    April 2023 - October 2023 (6 months)
    France
    Development of a SIEM platform – Real-time intrusion detection
    As part of a cybersecurity project, I participated in the development of a web application for Security Information and Event Management (SIEM), incorporating real-time intrusion detection.
    Backend & Security
    Development of new features, implementation of authentication via GCP, and writing unit and integration tests with Testcontainers.
    Infrastructure & DevOps
    Provisioning of GCP infrastructure as Infrastructure as Code (IaC), creation of optimized Docker images, and integration into CI/CD pipelines.
    Frontend & UX
    Development of a security alert reporting interface, mockup design with Figma, configuration of alerting channels, and integration into the CI/CD chain.
    Web Development Full-stack Development Java Spring Boot Angular
  • Upwork
    Java Developer
    EDUCATION AND E-LEARNING
    February 2021 - March 2023 (2 years and 1 month)
    Lyon, France
    Project 1

    Design and development from scratch of a web application for managing and tracking psychology articles, from requirements analysis and specification writing to production deployment. I designed the interfaces, implemented advanced search, filtering, and multi-criteria sorting functionalities, set up unit and integration test coverage, and managed file storage and distribution via GCP.

    Project 2

    Overhaul of an absence management platform in an agile Scrum environment: migration to stateless authentication (JWT), integration of user profile management, and significant reduction in regressions, directly contributing to the platform's stability and reliability.
    Web Development Full-stack Development Java Spring Boot Angular

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Education

  • Master of Science in Computer Science
    Université Lumière Lyon 2
    2023
    Master's degree, Computer Science
  • Software Engineering, Computer Engineering
    ESISA - Higher Institute of Engineering in Applied Sciences
    2022
    Génie logiciel, Ingénierie informatique

Skill set

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