Freelancer profile translated to English.

Description

Senior PHP Developer with 20 years of experience, specializing in designing secure web applications for sensitive data. Expert in GDPR compliance and legacy migrations.

Technical Skills:

Backend: PHP 5/7/8, Symfony, REST API, microservices
Frontend: JavaScript, jQuery, CSS, Bootstrap
Databases: MySQL, MariaDB, Oracle, stored procedures
Security: AES/RSA, SSO, TOTP, MFA
DevOps: Docker, CI/CD, Shell, Git

Areas of Expertise:

Regulated environments (health, notarial, legal)
Handling large volumes (150k+ files, 2TB of data)
Digitalization of business processes (replacing paper/Excel workflows)
Data anonymization and protection
Security audits and ISPS (Information Security Policy)

Key Achievements:

Designed a complete business ERP for the Paris Chamber of Notaries (replacing paper/Excel management with a digital system handling 150k+ litigation files).
Secure collaborative suite for notarial insurance
Crawling and data processing tools (Webedia)
Epidemiological applications for Institut Pasteur, Santé Publique France

Available for freelance missions in PHP, IT security, GDPR compliance, and critical architectures.

Portfolio:

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Chambre des notaires de Paris
Senior Web Developer (PHP 8 & Security)
November 2018 - August 2025 (6 years and 9 months)
Paris, France
Fullstack Developer responsible for the design, migration, and maintenance of critical business tools for Parisian and national notaries. Handling sensitive data (GDPR), legacy migrations (PHP 5 to PHP 8), and architecture of secure high-volume solutions.
Projects:

*Office Inspection Tool— Maintenance of a legacy tool (PHP 5) to PHP 8 (Vanilla) for managing accounting and notarial inspections.

*Judicial Platform— Business ERP managing 150k+ files and 50K files (litigation, complaints, claims, delegations). Document tree module (JSTree, DropZone), dynamic mail merge engine (TinyMCE, wkhtml2pdf).

*LSN Collaborative Suite— 3 interconnected applications (Declaration, Validation, Collaboration) in PHP 8 (Vanilla) and REST API. Multi-Factor Authentication (TOTP), fine-grained ACL management, security audit by Almond firm. 140k+ files / 2TB data over 3 years.

PHP JavaScript Cybersecurity Webservice API
Webedia - Sémantiweb
Web Developer (Crawling & Data Processing)
July 2017 - May 2018 (10 months)
Paris, France
Freelance, development of configurable and scalable crawling tools for marketing decision-making support.

*Configurable Crawling Tool— Configuration via JSON + regex for data extraction from e-commerce sites (Amazon FR/UK/DE, Sephora). Proxy and multi-instance management.

*Reporting & Visualization— Automated PDF generation with statistics. Populating a Solr database via MariaDB.

PHP MySQL noSQL SSO
Épiconcept
Fullstack Web Developer (Public Health & Security)
August 2015 - May 2017 (1 year and 9 months)
Paris, France
Development and maintenance of projects for the public health sector (Institut Pasteur, Santé Publique France – InVS, APHP), awareness of personal data protection, implementation of secure authentication systems, application of ISPS and GDPR.

*Secure Questionnaire for Victims of Bataclan Attacks— Sensitive data collection tool, encryption, enhanced authentication.

*Infectious Disease On-Call Tool (AP-HP)— On-call management system, real-time alerts, secure medical interface.

*Offline Epidemiological Application (Africa)— Ubuntu distribution with LAMP stack, SMS synchronization, offline-first robustness.

*NodeJS HUB— Middleware to connect mobile questionnaires and backend applications.

PHP JavaScript Cybersecurity HDS