Freelancer profile translated to English.

Description

Senior PHP / Symfony Developer — Expert in business applications & APIs

Looking for a reliable developer to design, evolve, or secure a web application?

For over 15 years, I have been helping companies with complex projects, with a simple goal: to deliver robust, maintainable, and performant solutions.

What I can offer you:

Design a solid and scalable architecture adapted to your business challenges
Develop or refactor your Symfony / PHP backend
Create or improve your REST APIs (performance, security, maintainability)
Take over an existing project (audit, stabilization, quality improvement)
Accelerate your teams with immediately operational senior expertise

My areas of intervention:

Complex business web applications
High volume or high criticality systems
SI integration and interconnection via API
Optimization of performance and code quality

What sets me apart:

✔️ 15+ years of experience on demanding projects

✔️ Global vision: technical + business challenges

✔️ Strong analytical and detached perspective skills

✔️ Clean, tested, maintainable code (not just "functional")

✔️ Autonomy and clear communication with business and technical teams

References

I have had the opportunity to work with recognized players such as the Opéra National de Paris, Meetic, BNP Paribas, SFR, on projects with high visibility and criticality.

👉 Have a specific project or need? Let's talk.

I can intervene quickly to frame, unblock, or secure your project.

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

OPERA NATIONAL DE PARIS
Lead Developer PHP/Symfony
CULTURE
February 2025 - Today (1 year and 4 months)
Paris, France
Project:

Design and development of OPUS, a strategic web application intended to replace the historical Studio Régie tool. The application allows centralized management of Opera musicians, including production planning, musician assignment, availability, and absence management. The project is part of an IT system modernization effort with an application architecture based on Symfony and hexagonal architecture.

Mission:
Design and development of the OPUS application (Back-end and Front-end)
Design of the application architecture based on hexagonal architecture to decouple business logic from technical layers
Analysis of business needs with the registry and production teams
Modeling of the business domain (musicians, productions, assignments, planning, absences) and implementation of associated business rules
Implementation of LDAP authentication and user access management
Design and development of key functional modules:
- Artistic production management
- Musician planning management
- Assignment management to productions
- Leave and absence management
- Consultation and tracking of availability
Development of dynamic business interfaces with Kendo UI (Grid, Datepicker, etc.)
Data access modeling and optimization (Oracle)
Workload estimation and development planning
Code review and technical mentoring of a junior developer
Participation in acceptance, delivery, and go-live phases
Technical Environment:
Technologies: PHP 8, Jquery, JS
Framework: Symfony 7
Library: Kendo UI Jquery 2024, Webpack
DB: Oracle
Versioning: Git
Tools: Jira, Mantis, Framagit
IDE: PHPStorm
Methodology: Hexagonal Architecture

Agile:
Sprint planning
Planning poker
Daily
Hexagonal Architecture Oracle jQuery Symfony Kendo UI
DELTA RM
PHP/Symfony Back-end Developer
SOFTWARE PUBLISHING
September 2024 - January 2025 (4 months)
Paris, France
**Project**: As part of the development team, I am responsible for rewriting the risk management API.

**Mission**:
Code audit
Proposal and validation of a new ADR (Architecture Decision Record) following the presentation of the astonishment report
ADR writing
Design and development of the new API (SF7, PHP8, Docker) in accordance with the ADR and implementing hexagonal architecture
Creation of a license management API for "on premise" applications
Task estimation
Implementation of Sentry for API monitoring
Implementation of documentation with OpenAPI
Implementation of SSO with OAuth2 and SAML v2
Performance optimization: six-fold reduction in TTFB
Code review
Debugging
Acceptance and delivery
Technologies

**Environment**:
Technologies: PHP 8
Framework: Symfony 7
Technical environment: Mac OS, AWS
DB: PostgreSQL
Versioning: Git
Tools: Jira, Confluence, Github
IDE: PHPStorm

**Methodology**: Hexagonal Architecture

**Agile**:
Sprint planning
Backlog grooming
Planning poker
Daily
Retro
PHP Symfony Webpack Sentry Docker
DALKIA
PHP Developer
ENERGY AND UTILITIES
February 2023 - February 2024 (1 year)
Courbevoie, France
**Project**:

Within the DSIN team (Information Systems and Digital Directorate), I am responsible for maintaining the KADOR3 application (a tool aggregating 3 other KADORs) for managing the company's repository.

Mission:

• Development and maintenance of the application
• Upgrade of PostgreSQL from version 10 to 15
• Upgrade of PHP from version 7 to 8
• SQL query optimization
• Database performance optimization
• Transformation of the monolith into an MVC architecture for the DMS
• Certificate changes
• Update of the proxy and SMTP
• Creation of batch scripts for process automation
• Task estimation
• Functional testing
• Acceptance and delivery

**Environment**:

• Technologies: PHP 8, HTML, CSS, JS, Jquery
• Technical environment: Windows, AWS S3 and RDS
• DB: PostgreSQL
• Versioning: Git
• Tools: Jira, Confluence, Gitlab, pgAdmin
• IDE: PHPStorm

**Agile**:

• Sprint planning
• Backlog grooming
• Stand up
PHP PostgreSQL jQuery AWS CSS3