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Guillaume GrobetGG

Guillaume Grobet

JAVA Developer

€550/day
Genève, CH
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Java Developer / Versatile Technician – Rigor, autonomy, and attention to detail

Autonomous, rigorous, and solution-oriented, I apply my skills to technical projects, both in software development and in tasks requiring meticulousness and reliability.

Trained in IT within the French armed forces, I served as a non-commissioned officer technician in demanding environments, before participating in projects as a Java backend developer (Spring Boot, REST, Git, Docker) within organizations such as SQLI or the Ministry of Armed Forces (France).

Curious, adaptable, and meticulous, I am also comfortable with manual technical tasks: dismantling and assembling electronic equipment (computers, phones), logistics management, maintenance, or packaging. I am accustomed to structured environments, precise documentation, and strict adherence to procedures.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Can work on-site
Genève (up to 50km)

Experience

  • SGS - Suisse
    SENIOR JAVA FULLSTACK CONSULTANT
    December 2019 - March 2021 (1 year and 3 months)
    Genève, Switzerland
    Tradeworks Project

    Implementation of a management tool for customs certificates worldwide.
    • Design and development of the front-end and back-end parts of the application
    • Bug fixing
    • Writing and execution of unit tests

    Technical Environment
    • Java 7-8-14, Spring (Boot 2, Data, REST, MVC), JUnit, Maven 3, GIT, Angular, Struts
    Java JavaScript Git Microservices SQL
  • SIG
    FULLSTACK CONSULTANT
    October 2019 - November 2019 (1 month)
    Genève, Switzerland
    RECO Project: Adaptation of an existing mobile application to integrate a new meter reading device
    • Communication with the USB device, sending requests and decoding results
    • Integration into the existing application
    Technical Environment
    • Java 8, Adobe Flex, Meter Bus (EN 13757)
  • ETAT DE VAUD,
    SENIOR JAVA FULLSTACK CONSULTANT
    October 2019 - November 2019 (1 month)
    Lausanne, VD, Switzerland
    Caisse cantonale vaudoise de compensation AVS Project

    Development of mass file printing via the State of Vaud's publishing system
    • Handling bugs and feedback
    • Team Leading
    • Connection via SFTP to the publishing server to send print jobs and retrieve digital versions
    • Optimization of mass processing
    Technical Environment
    • Java 7, JDBC, SQL, DB2, SFTP, HTML, CSS, JavaScript

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Education

  • Higher Certificate of the Army
    Transmissions School
    2015

Skill set

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