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Guillaume LeloupGL

Guillaume Leloup

Optimization Fullstack Developer

€500/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Software engineer, mostly backend oriented Java / Kotlin but curious and with some frontend experience on React or Nuxt.

After an initial experience in the industry atThales**, I then evolved at a recognized software publisher like **Talend/Qlikand then at **Malt**, the leading freelance platform in France.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Nantes (up to 50km), Paris (up to 10km)

Experience

  • Malt
    Software Engineer
    SOFTWARE PUBLISHING
    March 2025 - April 2025 (1 month)
    Nantes, France
    List some key points about this experience, such as tasks performed, responsibilities, or deliverables produced
  • STIMCAR
    Software Engineer
    AUTOMOBILE
    February 2024 - January 2025 (11 months)
    Nantes, France
    Automotive garage management software and used car marketplace
    • Functional & technical design
    • Frontend: React
    • Backend: NodeJS
    • User support
    • CI
    • DevOps
  • Talend
    Software Engineer
    SOFTWARE PUBLISHING
    September 2019 - December 2023 (4 years and 3 months)
    Nantes, France
    Data integration and governance software
    • Functional & technical design (in partnership with PM and designer)
    • Frontend: React
    • Backend: Java 17 micro-services
    • CI / CD
    • DevOps
    API design, management, and testing software (API Designer / API Tester / API Creator)
    • Functional & technical design (in partnership with PM and designer)
    • Frontend: Angular / React / GWT
    • Backend: Java 11 micro-services
    • CI / CD
    • DevOps

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Education

  • Software Engineer - Mines Nantes Diploma
    IMT Atlantique
    2015
    Ingénieur logiciel - Diplôme Mines Nantes
  • DUT Computer Science
    IUT de Laval
    2012
    DUT Informatique

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