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Hatem MansouriHM

Hatem Mansouri

Java Backend Developer

€450/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hatem

Full-Stack Java Developer for over 10 years, passionate about backend and frontend technologies, I have participated in numerous complex projects for companies in various sectors: retail (Kiabi), banking (ABC Bank), dematerialization (Majorel), and innovative startups.

I work on both monolithic and microservices architectures, ensuring the performance, robustness, and scalability of systems. I also have a good command of the cloud (GCP), CI/CD integration, as well as API and batch optimization.

My skills cover the entire development cycle:

Backend: Java (8 to 21), Spring Boot, Hibernate, JPA, REST, Docker, PostgreSQL, Oracle

Frontend: Angular, JSF, Vaadin, PrimeFaces, Bootstrap

DevOps: GitLab-CI, Terraform, Docker, Jenkins

Environments: GCP, Linux, IntelliJ, Eclipse

Versatile, rigorous, and autonomous, I can also assist with the migration of legacy systems as well as the design of APIs or batches.
I am also familiar with complementary technologies such as Python, Redis, or FastAPI.

Based in France, open to full remote or hybrid missions.
Available quickly for your freelance projects.
  • Arabic

    Native or bilingual

  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Kiabi
    Java Developer
    May 2022 - Today (4 years and 1 month)
    Lille, France
    • Development in a CLOUD environment (GCP).
    • Ensure code quality.
    • Work in Agile mode with multiple teams.
    • Maximize API performance (responses in tens of milliseconds) and stock photo batches (under 5 minutes)
    • Migration of old screens (frontend) to the new environment (new data model, GCP, etc.)

    Technical Environment:Java 21, IntelliJ, Spring boot, Git, JPA/Hibernate, GCP, PostMan, PostgreSql, Terraform, GitLab-CI, Swagger, Docker, Spring Native (GraalVM), Angular
    Spring boot Cloud GCP PostgreSQL Java Git
  • Yzee (Majorel)
    Tech Lead / Java / Python Developer
    TECH
    August 2019 - April 2022 (2 years and 8 months)
    Vendin-le-Vieil, France
    Development of applications for the dematerialization domain, respecting the MicroServices architecture.

    Technical Environment:Java 8, Python, IntelliJ, PyCharm, Spring boot, Git, JPA/Hibernate, Postgresql, Redis, Red Hat, Windows, PostMan, PostgreSql, Oracle
    Java PostgreSQL Spring boot Python Redis
  • ABC Bank
    Java Developer
    BANKING AND INSURANCE
    October 2016 - June 2019 (2 years and 8 months)
    Alger, Algeria
    Design and development of a hybrid mobile application that provides all information about connected stores near the user and displays the best offers and deals.

    Technical Environment:JEE, Java 8, Eclipse, JPA/Hibernate, Spring IoC, Spring MVC, Spring AOP, JUnit, HQL, JSF, PrimeFaces, VAADIN, JavaScript, SVN, Activiti, Maven, Tomcat, MSSQL, Web Services.
    Java Spring boot Vaadin BPMN Git-SVN

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Education

  • Master en informatique
    Université de Batna
    2011
    Systèmes de recherche d'informations

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