Freelancer profile translated to English.

Description

Senior PHP / Symfony backend developer with 15+ years of experience, specializing in legacy project migration, performance, and scalable architecture.

I work as a senior developer or tech lead on critical projects: legacy code refactoring, Symfony migration, high-performance APIs, high-volume batch processing, PostgreSQL optimization, new features.

I work on critical projects where performance, scalability, and maintainability are key. I help teams modernize their legacy architectures and secure their backend long-term.

Technical Stack:

- PHP 8.x, Symfony 5/6/7

- API Platform, Doctrine ORM

- PostgreSQL, MySQL, Redis

- Docker, Docker Compose, GitLab CI/CD

- Clean Architecture, DDD, CQRS

- PHPUnit, Behat Tests

Types of missions:

- Migration of legacy applications to modern Symfony

- Development and optimization of REST APIs

- Technical audit, technical debt, refactoring

- Scalability, backend performance, batch processing

- Implementation of robust backend architecture

Positioning:

Senior freelancer focused on quality, performance, and maintainability. Experienced in critical environments (SaaS, fintech, B2B platforms). Ability to take on a tech lead role, code review, and team mentoring.

Availability:

Full remote anywhere in France. On-site possible around Nantes (1-2 days per week).

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Amarris Groupe
Backend Developer
BANKING AND INSURANCE
October 2022 - Today (3 years and 9 months)
St.-Herblain, France
Development of import/export scripts to third-party partners
Implementation of Mercure
Development of APIs with Api Platform
Configuration of Symfony Messenger to handle asynchronous tasks
Migration of clients from the old project to the new one.
Adding new features
API Platform PHP 8 Mercure PHPUnit Symfony 7
Anytime an Orange Bank Company
Backend Developer
BANKING AND INSURANCE
March 2021 - September 2022 (1 year and 7 months)
Nantes, France
Migration from Symfony 4.4 to 5.4
Refactoring of existing APIs to the new technical and functional architecture (Hexagonal Architecture, DDD)
Stack: PHP 7.4, SF 5.4, mysql, postgresql, docker, gitlab, gitlab CI, PHPUnit, Behat
PHP 7 Symfony 5 Docker Clean Architecture Clean Code MySQL Gitlab CI Domain Driven Design REST API PHPUnit Behat
Groupe LDLC
Software Development Engineer
E-COMMERCE
January 2016 - February 2021 (5 years and 2 months)
Nantes, France
Redesign of the materiel.net website
Maintenance and evolution of the ldlc.com and materiel.net websites
Evolution of internal applications (logistics, backoffice)
Development of an application for communication between 2 IS via XML file consumption/generation
Redesign of product pages/lists to use Elasticsearch
First experience with Android development, Vue.js project

Use of the following technologies depending on the projects: Elasticsearch, Redis,
MongoDB, RabbitMq, Docker, Silex, Symfony 3.4, JavaScript
PHP 7 Symfony 3 JavaScript Docker Elasticsearch RabbitMQ Redis REST API SEO Performance PHPUnit