Freelancer profile translated to English.

Description

Python Backend Developer with over 7 years of experience, specializing in designing robust architectures, creating high-performance REST APIs, and modernizing complex systems.

My background has involved me in high-visibility projects (Tisséo, GéoFoncier, Imagify), where I demonstrated my ability to transform "Legacy" applications into scalable, modern, and tested solutions.

My areas of expertise:

🚀 API Design & Architecture: Expert in Django & Django Rest Framework (DRF). I design modular and scalable data models to reduce Time-to-Market and facilitate interoperability.

⚙️ Modernization & Refactoring: Specialist in taking over legacy code. I work to standardize practices, increase test coverage, and stabilize your critical applications.

💳 Payments & Affiliate Integration: In-depth expertise in Stripe, PayPal Braintree, and affiliate programs (ShareASale).

🌍 Geospatial (GIS) Expertise: Strong experience in developing geographic data management tools and Open Data (GéoFoncier, DataSud projects).

🛠 DevOps & Scalability: Proficient in containerization (Docker), asynchronous task management (Celery), and microservices maintenance.

Key achievements:

GéoFoncier.fr Modernization: Development of backward-compatible REST APIs significantly improving performance.

SaaS Optimization (Imagify): Redesign of image compression processes and payment error management to improve customer experience and conversion rates.

Contract Management (EdTech): Design of a professionalization contract management solution with a scalable architecture.

Have a migration project, need to create a robust API, or strengthen your backend team? Let's discuss how to transform your technical challenges into high-performance solutions.

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Toulouse (up to 50km)

Andy Legal
Backend Developer
SOFTWARE PUBLISHING
March 2026 - Today (5 months)
Toulouse, France
I am supporting Andy Legal in the design, structuring, and scaling of their multi-tenant SaaS platform for law firms. My role: transforming complex business needs into ultra-robust, maintainable, and secure backend architectures (Django / DRF).

Key achievements:
AlexPay (Payments): End-to-end design and development of a complete payment module. Integration of Stripe Connect and Stripe Elements, secure webhook management, and automation of business financial workflows.
AlexCorporate (Refactoring & Modularity): Complete extraction and isolation of a critical module (previously coupled with 3 legacy applications) to secure and ensure the reliability of complex share capital and securities management.
Multi-Provider Electronic Signature: Integration of DocuSign and YouSign with per-firm OAuth flow management (multi-tenant) and dynamic signature webhook routing.

Technical & Delivery Approach:

Architecture: Transition to a service-oriented architecture (dedicated services & querysets) to eliminate technical debt and isolate business logic.
Quality & Reliability: Design of documented REST APIs (OpenAPI/Swagger) and a strict automated testing culture to ensure non-regression on sensitive legal and financial data.

Stack: Python, Django, Django REST Framework (DRF), PostgreSQL, Stripe API, OAuth, DocuSign/YouSign APIs, OpenAPI.
Django Rest Framework external-api-integration backend-service-development Python PostgreSQL
Donecle
Backend Developer
AVIATION AND AEROSPACE
September 2025 - February 2026 (5 months)
Toulouse, France
I designed and deployed the environment for the multi-service Django application `cloud_dev_app` for Donecle, integrating multi-stage containerization and Docker Compose services managing the entire backend stack (database, cache, tasks, web servers, Django). Concurrently, I developed `iris_web`, Donecle's first Django application to leverage Django REST Framework (DRF), a strategic move for the sustainable industrialization of the solution.

My main contributions include:

*Advanced Dockerization:I designed 'multi-stage' Docker builds to optimize image size and efficient dependency management, ensuring smooth deployment of the Django `RestServer` project. This included integration with enterprise Docker registries and automation of SSL certificate provisioning.

*Flexible Deployment Architecture:I developed a robust deployment system supporting both Apache and Nginx web servers, offering adaptability for various production environments.

*Multi-Tenant Database Design:I implemented a sophisticated database routing mechanism within the `iris_web` application, enabling dynamic data separation and management for multiple clients.

*RESTful API Development:I designed and built a suite of secure and efficient APIs with Django REST Framework (DRF) for `iris_web`, covering critical functionalities such as authentication, aircraft management, and Areas of Interest (AOI).

*Rigorous API Testing:I established a comprehensive `pytest` framework for `iris_web`'s APIs, ensuring high reliability and data integrity through automated testing of essential features.
Docker Django Rest Framework Python Django
TU COMMENCES DEMAIN
Backend Developer
EDUCATION AND E-LEARNING
March 2025 - August 2025 (5 months)
Paris, France
Modernization of legacy applications: Refactoring of historical components to standardize development practices and significantly increase unit and integration test coverage.

Design of a DRF API (Django Rest Framework): Full development of a professionalization contract management solution.

Implementation of a scalable architecture: Modular data model allowing the unification of old contract types, thus facilitating the interoperability of related objects and reducing the Time-to-Market for future features.
Django Django Rest Framework Pytest Docker external-api-integration