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Jihed MessaoudJM

Jihed Messaoud

Fullstack developer angular java

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jihed

Full Stack Engineer passionate about modern architectures, with over 7 years of experience in digitizing critical systems, notably at Carrefour and Orange France. I have led migrations to microservices, optimized backend performance, and implemented CI/CD pipelines on the cloud (GCP, Kubernetes). I design robust, scalable, and business-impact-oriented solutions.
  • Arabic

    Native or bilingual

  • French

    Fluent

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Amundi
    Amundi Technology
    BANKING AND INSURANCE
    August 2025 - Today (1 year)
    Paris, France
    Context

    Intervention at Amundi Technology, the technology entity of the Amundi group, on ALTO ESR applications dedicated to employee savings and retirement. Participation in corrective and evolutionary maintenance activities for several strategic production applications (RUN), in an Agile environment and in close collaboration with business, project management, and technical teams.

    Achievements

    - Technical leadership of corrective and evolutionary maintenance activities on several production applications.
    - Simultaneous management of multiple projects and evolution initiatives within the ALTO ESR scope.
    - Analysis and qualification of business needs in collaboration with project management teams and users.
    - Design and development of new Full Stack features.
    - Development and evolution of Front-End applications using Angular.
    - Design, development, and maintenance of Java Back-End services.
    - Definition and evolution of REST exchange interfaces between Front-End and Back-End applications.
    - Coordination with various stakeholders (business, project management, QA, technical teams) to ensure smooth delivery.
    - Monitoring of production incidents, root cause analysis, and implementation of corrective actions.
    - Implementation and execution of unit and integration tests to ensure development quality.
    - Participation in continuous improvement initiatives and technical modernization of applications.
    - Writing and maintenance of technical and functional documentation.
    - Use of Claude AI for impact analysis, accelerating development, refactoring, test generation, and technical documentation production.
    Technical Environment

    Java 17, Spring Boot, Angular 13/17, TypeScript, JavaScript, Angular Material, REST API, Git, Jenkins, npm, Jira, Confluence, Claude AI, Windows 11 (WSL), Agile Scrum.
    Spring boot Java Spring Java Angular Claude AI
  • Carrefour BE
    Full Stack Developer angular /spring boot
    SOFTWARE PUBLISHING
    January 2022 - Today (4 years and 6 months)
    Paris, France
    Context
    • Complete migration of a monolithic system to a microservices architecture, ensuring scalability, modularity, and resilience.
    • Optimization of backend performance through asynchronous parallelization and improvement of Java processing, significantly reducing execution times.
    • Leadership of structural evolutions that automated critical processes and improved command management reliability, with an estimated annual economic impact of over 10 million euros.
    • Industrialization of deployment on Google Cloud Platform (GCP) using GKE, Terraform, Helm, Docker, and Grafana for observability and monitoring.
    • Use of Kafka as an event bus for reliable, asynchronous, and resilient inter-service communication.
    • Design and development of 4 projects from scratch in Java 21 and Angular 19, built according to Clean Architecture and pipeline architecture (CQRS & Event-Driven), ensuring code maintainability, robustness, and scalability.
    • Integration of SSO (Single Sign-On) for centralized and secure user authentication.
    Technical Responsibilities:
    • Development of high-performance REST APIs with Spring Boot (Java 11 / Java 21)
    • Design of dynamic and responsive interfaces with Angular 10 / 19.
    • Securing communications via OAuth 2.0, JWT, and SSO.
    • Implementation of robust CI/CD pipelines with GitLab CI.
    • Integration of Kafka for inter-service communication (Event-Driven Architecture).
    • Deployment and monitoring on Google Cloud Platform (GKE, Stackdriver, Grafana).
    • Writing technical documentation (Confluence) and Agile/Scrum project management (Jira).
    • Writing unit and integration tests.
    Technical Environment:
    Java 11 / 21, Spring Boot, Angular 10 / 19, Kafka, PostgreSQL, SSO, CQRS, Event-Driven Architecture, GitLab CI/CD, Google Cloud Platform (GKE, Grafana), Terraform, Helm, Docker, Kubernetes
    Java 21 Angular 19 JWT Gitlab CI/CD JUnit5
  • Sofrecom
    Fullstack Developer
    TELECOMMUNICATIONS
    February 2019 - December 2021 (2 years and 11 months)
    Tunis, Tunisia
    Context:
    Participation in the development of a strategic application now deployed across all Orange France stores, aimed at improving commercial management and customer relations.

    Key Achievements:
    • Complete transformation of the software architecture by leading the migration from a monolithic system to more modular, scalable, and maintainable microservices.
    • Integration of RabbitMQ for inter-service communication.
    • Development of JVM performance dashboards with Prometheus and Grafana, improving technical monitoring.
    • Migration of the frontend from Angular 8 to Angular 10, with redesign of several functional modules.

    Technical Responsibilities:
    • Development and redesign of key application components in Angular and Spring Boot
    • Implementation of automated tests (Junit, Mockito, Jasmine, Karma)
    • Automation of deployment with Jenkins, Docker, and Ansible
    • Contribution to functional and technical documentation (Confluence)
    • Close collaboration in Agile mode with PO, testers, and Scrum Master

    Technical Environment:
    Java 11, Angular, Spring Boot, RabbitMQ, Prometheus, Grafana, Docker, Jenkins, Ansible, OAuth 2.0, JUnit, Mockito, Karma,
    Jasmine, Git, GitLab, MySQL, Maven, Liquibase, Jira, Confluence.

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Education

  • Computer Engineering, Web Technology and Multimedia
    Higher Institute of Computer Science and Multimedia of Sfax
    2018
    Les modules principales : Conception orienté objet (UML),Algorithmique avancéé et complexité,Java evolué,Base de donné et SGBD,Traitement de signale (MATLAB),Interconnexion des réseaux,Administration et création des serveurs web ,programmation web dynamique (JEE),Environnement de développement évolué (Vb.net ). Les outiles et les languages maitrisés : (Android, Java/Jee,HTML5,CSS3,Ruby on Rails,PHP,Javascript,python,symfony3),(Photoshop, adobe premier, 3DSMAX, Android studio,Git,Wordpresse)
  • License in Management Information Systems
    Higher Institute of Management of Gabès
    2015
    Conception,réalisation et programmation des systèmes d'information. Contrôle et audit des procédés de gestion des entreprises automatisation des procédés de gestion des entreprises. Les languages : Vb.net ,c,java,SQl,HTML4,CSS2,UML

Skill set

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