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Marc GuerriniMG

Marc Guerrini

Senior Developer - Java | SpringBoot | Angular

€600/day
Sophia Antipolis, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Marc

My promise: clear and efficient technical solutions that translate complexity into simplicity, with total transparency and continuous support.

My approach combinesexpertise**, **pragmatism**, and **proactive communicationto ensure fast and lasting results. If a problem is identified, I commit to reporting it immediately and working with you to resolve it optimally. After each mission, a follow-up meeting is offered to ensure continuity and address long-term questions.
I support you in your application development needs.

I worked for 15 years at Air France, during which I worked on both final projects, service-oriented architectures, and support.

I quickly get up to speed with client contexts to be productive as soon as possible.

I put my expertise at the service of your needs, whatever they may be:
- starting new projects with consideration for system and software solutions
- initial setup of projects and CI/CD pipelines
- development of new features on existing projects
- upgrading your application to eliminate technical debt
- supporting you in your thinking about software and system architecture evolution

I am a full-stack developer with advanced skills in backend development (Java / Spring / SpringBoot) with good knowledge of SQL database optimizations.

I also remain highly proficient in:
-NoSQLissues
-Angularfrontend development
-iOSmobile development inSwift/SwiftUI

I am at your disposal to help you with all your development activities.
  • French

    Native or bilingual

Can work on-site
Sophia Antipolis (up to 50km)

Experience

  • Médiamétrie
    DevOps Engineer AWS Java
    FILM AND AV
    September 2024 - Today (1 year and 10 months)
    Valbonne, France
    DevOps Engineer on AWS

    My main activity is developing backend modules in SpringBoot with an Angular frontend.

    This activity is accompanied by the implementation of Terraform deployment scripts for the AWS architecture based on Fargate clusters, SQS queues, and Lambda.

    Work on the switch from ECS Fargate to EKS.
    Amazon EKS Spring boot Java Terraform AWS Lambda
  • iSelection - PerliS
    Java Consultant
    REAL ESTATE
    June 2024 - September 2024 (3 months)
    Following the audit conducted in May 2024, I took charge of the identified developments to switch the authentication of various applications to oauth2 with Microsoft Entra as the IDP.

    The migrated applications are:
    - a struts/spring monolith in java8 hosted on tomcat
    - a SPA application (Angular/springBoot)
    - an Android application

    In parallel, I also migrated the email sending system to the solution recommended by Microsoft to replace SMTP: namely MsGraph.
    Java Spring Security OAuth2 OIDC SMTP SpringBoot Angular
  • iSelection - PerliS
    Java Consultant
    REAL ESTATE
    April 2024 - April 2024
    Nice, France
    Conducted an audit to migrate the authentication of all applications to the oauth2 solution based on Microsoft Entra.
    Report provided with a summary of the current situation, definition of target architectures, and cost estimation for development effort.
    The audit covered:
    - a web application based on Struts and Spring 5
    - an Android application
    - a SpringBoot Java 11 application with an Angular frontend


    OAuth2 Java Spring Security Microsoft Azure Microsoft Entra Angular SpringBoot Spring

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Education

  • Engineering Degree
    ESIEE - Paris
    2000

Skill set

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