Freelancer profile translated to English.
Back to original languageAbout Axel
Hello đź‘‹ I'm Axel, an independent Senior Fullstack Developer since 2018.
I help startups, scale-ups, and companies in the design, development, and evolution of their web applications. I work on creating new features, modernizing existing applications, architecture, software quality, and performance optimization.
Specializing in the Symfony, React, and Node.js ecosystems, I develop robust, maintainable, and scalable applications, with a particular focus on Clean Code, automated testing, and development best practices.
I also integrate artificial intelligence into my workflows to accelerate production without compromising quality. I use Cursor, Claude Code, OpenAI Codex, Gemini, and MCP Workflows daily for development, code review, automation, and generating technical solutions.
My services:
• Custom web application and API development
• Evolution and modernization of existing applications
• Symfony / PHP / Node.js migration
• Performance optimization and technical debt reduction
• Reinforcement of product teams (Agile/Scrum)
• Code review, documentation, and technical support
My specialties:
• Symfony (4 to 8)
• React / Next.js
• Node.js (NestJS, Fastify, Express)
• TypeScript
• Docker & GitLab CI
• AWS & Google Cloud Platform
• DDD, Clean Architecture, BDD/TDD
• AI applied to development (Cursor, Claude Code, OpenAI Codex, Gemini, MCP)
Whether you're looking for technical reinforcement, a Symfony/React expert, or a developer capable of accelerating your teams through AI, I'd be delighted to chat with you.
French
Native or bilingual
English
Fluent
Can work on-site
Bordeaux (up to 30km), Paris (up to 10km)
Experience
- Luni
On Malt
Senior Fullstack Developer - NestJS, Mikrorm and Vuejs3SOFTWARE PUBLISHINGNovember 2025 - March 2026 (4 months)Bordeaux, FranceI joined the Engineering team to support the evolution of Factory, the internal tool used to manage the creation and deployment of advertising campaigns on various platforms.The goal was to accelerate campaign production while improving the tools available to the User Acquisition team.My contribution- Development of new features on Factory (NestJS, MikroORM, Vue.js 3).
- Design of a workflow for creating and deploying advertising campaigns on TikTok and Meta via their APIs.
- Development of monitoring tools to track campaign quality and performance, facilitating their management.
- Implementation of user experience improvements for the platform for the User Acquisition teams.
- Integration of Gemini-based features to automate part of the advertising creative processing before publication.
Impact- Reduction of campaign time-to-ship by approximately 36% through automation of certain workflow steps.
- Improvement of internal tools used daily by the User Acquisition team.
- Faster and more reliable deployment of campaigns across multiple advertising platforms.
- Contribution to a strategic internal product at the core of the Ads creation and delivery process.
Tech Stack: NestJS • TypeScript • Vue.js 3 • MikroORM • PostgreSQL • Gemini API • TikTok API • Meta Marketing API - Hellowork groupExperienced PHP/Symfony Developer M/FHUMAN RESOURCESApril 2024 - October 2025 (1 year and 6 months)Bordeaux, France
- Transition from a legacy hybrid PHP 7.4 and Symfony 5 application to a Symfony 7 application (PHP 8+)
- Simplification of deployment (from Jenkins to GitLab CI/CD) and recurring tasks (from Jenkins to GitLab Scheduled Pipelines)
- Improvement of legacy foundation deployment (from 90-100 min deployment to 20-25 min)
- Domain-Driven Design and overall clean code practices
- Implementation of a unit and functional testing strategy, achieving over 60% coverage on the new codebase
- Implementation of monitoring tools as a Reliability Engineer (Sentry + internal log system based on Elastic and Kibana)
- Implementation of tools like CodeRabbit to accelerate AI-driven review processes
- Writing documentation on various implementations
- L'Ecole FrançaiseFullstack PHP / JS DeveloperEDUCATION AND E-LEARNINGFebruary 2023 - October 2023 (8 months)Levallois-Perret, FranceI joined the team to support the evolution of the platform regarding new customer acquisition challenges. The mission involved developing new features, evolving backend services, and supporting the gradual transition from a legacy architecture to a Symfony foundation.My contribution
- Development of new customer acquisition features with React, integrated into the WordPress ecosystem.
- Creation and evolution of REST APIs under Symfony to support new user journeys.
- Setup and management of analytical tracking via Google Tag Manager to measure the performance of developed features.
- Maintenance and evolution of legacy components in WordPress, with a gradual migration of business logic to the Symfony backend.
- Collaboration with business teams to evolve acquisition journeys while ensuring the platform's technical consistency.
Results- Deployment of new features dedicated to prospect acquisition.
- Improved separation between front-end and back-end through the evolution of Symfony APIs.
- Better measurement of user journeys through the integration of analytical data.
- Contribution to the gradual modernization of a platform blending legacy technologies and newer architecture.
Technologies: React • Symfony • PHP • WordPress • REST API • Google Tag Manager • Google Cloud Platform
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Education
- Bachelor's degree in Application Design and DevelopmentTALIS Business School2019Formation Concepteur et Développeur d'applications réalisée à la TALIS Business School de Bordeaux