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Elias BuissonEB

Elias Buisson

🐍 Python Developer FastAPI

€580/day
13 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Elias

Python Developer FastAPI / AI

Hello! 👋.

I am Elias Buisson, a backend developer specialized in Python, particularly in Django and FastAPI.
I have over 10 years of experience in web development with a deep understanding of Python architectures and extensive knowledge of modern code best practices, such as DDD, to name one.

Main Tech Stack:

- Python/Django with Django Rest Framework, FastAPI, SQLAlchemy
- Data: Pandas / Polars / DuckDB
- AI / Machine Learning: LangChain, LLM integration, RAG, intelligent automation
- Frontend: Big fan of Vue3 & TailwindCSS
- Cloud & DevOps: Docker, AWS, CI/CD deployment, distributed architectures

Projects:

- Development of industrialized Python/Django solutions for SMEs and large corporations
- Uchop.com: fullstack Vue3 + FeathersJS, with a Python and Django backend, real-time social network app
- Business AI Systems: workflow automation, intelligent extraction, prediction, chatbot creation
- Real-time experience: WebSockets, Node.js, Elixir/Phoenix (2 years at doofinder.com)

Key Expertise Areas:

- Django Development for robust & scalable web applications
- PostgreSQL Development, Optimization, and Scaling
- Python & Django Backend Development
**- AI Development and Integration**: chatbots, semantic search engines, automation
- Cloud-native Architectures: scalability, security, performance

Languages:

I have worked as an employee in several countries under the following conditions:
- 🇬🇧 100% English -> +3 years in the Netherlands and South Africa
- đŸ‡Ș🇾 100% Spanish -> +3 years in Madrid
- đŸ‡«đŸ‡· 100% French -> in Paris / Toulouse
  • Dutch

    Conversational

  • Spanish

    Native or bilingual

  • French

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Lemon D
    Python / Django / Backend Developer
    BANKING AND INSURANCE
    May 2025 - Today (1 year and 1 month)
    Strasbourg, France
    Assignment with several stakeholders in the insurance sector.
    - Migration of several insurance portfolios to a new portfolio
    - Implementation of KPIs to track progress
    - Decisions and discussions with various parties
    - Implementation of migration code with Python / Django / DuckDB / Pandas
    Python 3 Python/Django Python Developer Python (programming language) FastAPI
  • UCHOP
    Python / Django / FastAPI / Backend Developer
    DIGITAL AND IT
    September 2021 - May 2022 (8 months)
    GenĂšve, Switzerland
    🎯 Full development of Uchop withPythonand **Django**, a B2B platform for real-time event marketing.

    End-to-end mission to design and develop a B2B web platform dedicated to the management and animation of interactive online events. The application allows organizers to create live sessions with reactions, quizzes, moderation, analytics, and automated communications.

    🔧 Backend inPython/ **Django**:
    Development of all business logic withDjango**, model structuring, REST API, authentication system, user roles management, and secure backoffice. Use of the framework for its robustness, native security, and ORM efficiency. The **Django/FastAPIAPI powers both the web interface and internal administration tools.

    ⚙ Real-time & WebSockets:
    Implementation of a real-time layer with Node.js, FeathersJS, and WebSockets to ensure live interactions between participants. Smooth communication between thePythonand Node layers.

    đŸ–„ïž Frontend: Interface developed in **Vue**.js + TailwindCSS, dynamic components, and responsive design.
    Django Python/Django Django Rest Framework FastAPI
  • LAMBEY SAS
    Python / Django / FastAPI Backend Developer
    AGRICULTURE
    January 2025 - May 2025 (4 months)
    Paris, France
    For SA Lambey, I designed and developed aPython/Djangobusiness application for equine nutrition management, from scratch, handling all project stages.

    🔧 Technologies Used:
    Backend**: **PythonandDjangoto manage business processes and data interactions, although the project does not rely on a traditional **backend**.

    Frontend: Frontend development withVue.jsand Vuetify for a fluid and responsive interface, suitable for field users.

    Database: Setup of a local database with CouchDB and PouchDB, enabling real-time synchronization between the application's local data and the server. The application operates locally-first, ensuring optimal use even without a stable internet connection.

    Internationalization: The application was developed to be easily extendable to other languages and regions, with a comprehensive internationalization system integrated from the start.

    🎹 UX/UI Design:
    I also designed the entire user interface in **Figma**, in collaboration with stakeholders, to ensure an optimal, easy-to-use experience tailored to the specific needs of the application's users.

    📈 Results:
    Project completed from A to Z with aPython/Djangobackend, from scoping to production, including UX/UI design and full development.
    Local-first solution with real-time synchronization, ideal for work environments with limited or intermittent connectivity.
    Django Django Rest Framework Python Python/Django FastAPI

Reviews

5.0

Out of 11 ratings

M

Martin

Qweeko

Reviewed on 1/13/2023

After 9 months of collaboration, we are still very satisfied and are continuing the mission with Elias!
M

Martin

Qweeko

Reviewed on 11/25/2022

The mission continues and we are still delighted with Elias's work đŸ€©

Recommendations

JB
Lucas FabreLF
Julien Barreau and 1 other person have recommended Elias

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Education

  • Master in Computer Science - Specialization in Images and Multimedia
    Université Paul Sabatier, Toulouse, France
    2013
  • Bachelor in Computer Science - General
    Utrecht University, Netherlands
    2010

Skill set

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