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Guillaume LebretonGL

Guillaume Lebreton

Supermalter

Django Developer

€650/day
11 projects
Bordeaux, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Hello!
I started Python in 2014 and have been a Django developer since 2017, first at INRA, then with a publisher of a platform for architects.
My area of expertise includes:
- Building websites in Python/Django
- Designing REST APIs with DRF
- Setting up scraping tools with the Scrapy framework
- Implementing continuous integration on Github/Gitlab
- Writing unit tests

Do not hesitate to contact me, I am available to discuss your projects.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

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

Experience

  • Marché de l'inclusion
    Django Developer
    December 2024 - October 2025 (10 months)
    Django developer for the Inclusion Market, a marketplace for inclusive structures in the betagouv ecosystem.
  • M2BPO
    Web Developer
    ARCHITECTURE AND URBAN PLANNING
    March 2020 - May 2021 (1 year and 2 months)
    Bordeaux, France
    Development of a website for public procurement management for architects, adding new features, fixing existing bugs, scraping existing public procurements from the web, defining unit tests, developing the CRM.
    Django Scrapy Unit Test CI/CD
  • Inra
    Research Engineer
    BIOTECH
    February 2017 - June 2019 (2 years and 4 months)
    Angers, France
    - Setting up a database and web platform for plant phenotyping with the Python Django framework
    - Creating an API to query climate sensor data, storing data in MongoDB
    - Improving tools for chlorophyll fluorescence image acquisition
    Django Django Rest Framework PostgreSQL MongoDB Qt

Reviews

4.9

Out of 6 ratings

A

Abdessamad

Plateforme de l'inclusion

Several months project

-

Reviewed on 10/21/2025

We collaborated with Guillaume for nine months on an ambitious and demanding project. His rigor and attention to detail allowed for the rapid delivery of robust features while reducing technical debt. Guillaume is an experienced and efficient developer, capable of balancing quality, speed, and code sustainability.
JulienJ

Julien

SIGNIA THERAPEUTICS Projet H2020

Reviewed on 9/28/2022

Guillaume took on a very complex project in a short time. All the features were delivered, and the provided code is of very high quality. Furthermore, he advised us on a set of improvements to enhance the overall quality of the project beyond the scope of his assignment.

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Education

  • Master 2 Bioinformatics and Genomics
    University of Rennes I
    2016

Skill set (19)

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