Freelancer profile translated to English.
Back to original languageAbout Damien
With over 10 years of technical experience, including 7 years of expertise in web development, I assist CIOs, agencies, and institutions in modernizing and industrializing their infrastructures.
As a long-standing specialist in the web ecosystem (Object-Oriented PHP / WordPress), I have evolved towards Platform Engineering to design the distributed architectures (Python / Docker) that run these platforms securely and automatically.
☁️ Cloud Architecture & DevOps (Platform Engineering)
- Design of Zero-Trust and isolated infrastructures (Air-gapped)
- Deployment and fleet management via Docker, Swarm, and CapRover
- Advanced security (7G WAF, CrowdSec IPS, centralized ACME SSL)
- Backup automation (SSH streaming) and monitoring
⚙️ Backend & REST API Development
- Python (Flask) and Object-Oriented PHP 8 development
- Design of custom REST/JSON APIs to interconnect your information systems (CRM, ERP)
- Automation via scripts (Bash, CLI) and asynchronous architecture
🐘 WordPress Ecosystem (Industrial Level)
- Fleet management: centralized management of installations (WP-CLI, MainWP)
- Operational Maintenance (MCO) and zero-downtime migration of Legacy systems
- Custom development (Advanced Plugins, FSE themes, hooks)
- SSO integration (CAS / directories)
🧠 Artificial Intelligence & Productivity (Augmented Developer)
- Daily integration of LLMs into my workflow (Swagger documentation generation, reliability improvement).
- Creation of custom RAG tools to optimize delivery velocity
📋 Consulting & Tech Lead (AMOA / AMOE)
- Pragmatic "problem solver": technical audit, specification writing, and technology selection.
- Ability to lead a project and bridge the gap between pure technology and business needs.
👉 Need to audit an unstable system, design a robust architecture, and automate your backend? Let's discuss it.
French
Native or bilingual
English
Fluent
Can work on-site
Saint-Pierre-lès-Nemours (up to 30km)
Experience
- Université Paris-SaclayInfrastructure Architect & Backend Tech LeadPUBLIC SECTORJune 2025 - Today (1 year and 2 months)Orsay, France
Global Mission (AMOA/AMOE/MOE)
Audit and replacement of an unstable legacy hosting infrastructure with a distributed, sovereign, and high-density PaaS (100% containerized).- Audit, AMOA & Tech Lead:Audit of the existing system, needs gathering, and strategic roadmap definition. Supervision and management of a Front-End developer (React/Symfony). Creation of internal "AI-Augmented" tooling to accelerate team delivery.
- Distributed Architecture ("Zero-Trust"):Strict separation of Control Plane / Data Plane. "Air-gapped" incremental backups (Restic) via multiplexed SSH tunnels. Automated "Zero Downtime" migration via dynamic reverse-proxy (Strangler Fig pattern).
- Asynchronous Python Backend & Tooling:APIs (Flask/Gunicorn-gevent), custom Redis task queue (priorities, backpressure), and state machine workers for resilience. Manager controlling the fleet remotely via SSH (targeted or bulk WP-CLI, debug mode, PHP version changes, and hot password resets). Dynamically generated OpenAPI/Swagger documentation (TDD).
- WordPress Industrialization (Fleet Management):FSE parent theme compliant with university accessibility standards, Gutenberg Blocks, Patterns, and Intranet. Fleet governance (mandatory MU-plugins, plugin blacklist), migration of legacy sites from PHP 5.6 to 8.3 with theme fallback, secure decommissioning of old administrator roles.
- Defense in Depth (CMS SecOps):Real-time self-healing via the "Pulse" scheduler. Network layer (7G WAF, CrowdSec IPS) and application hardening via injection of vital MU-plugins (anti-enumeration, SSO/CAS, lockout). Integrity control of MU-plugins and vulnerability tracking (WPVulnerability).
- BECHERINI Damien (EI)Full-Stack Developer (WordPress / PHP Expert) & InfrastructureDIGITAL AND ITFebruary 2019 - Today (7 years and 6 months)Saint-Pierre-lès-Nemours, FranceA consistent thread in my freelance work for over 7 years, I've assisted numerous clients (B2B, SMEs, institutions) from architectural design to the Operational Maintenance (MCO) of their web platforms.
- WordPress Expertise & PHP Engineering:Advanced mastery of the CMS (custom plugins, FSE themes, Gutenberg Blocks, ACF, advanced WP/WooCommerce hooks) and "pixel-perfect" integration of agency mockups. Efficient OOP PHP code, refactoring, and complex business modules (e.g., ATS module with asynchronous search engine).
- IS Integration & API:Interconnection of WordPress platforms with third-party systems (ERP, CRM, SSO) via REST/JSON APIs (webhooks), in compliance with GDPR.
- Infrastructure, Hosting & Security:Web servers (Linux, Apache/Nginx, MariaDB), VPS/Proxmox, DNS management, email account configuration and migration. Performance optimization and environment security.
- SEO, Content & Emailing:Technical and on-page SEO optimization (Rank Math, Yoast, Semrush), AI-assisted content creation, templating, and email integration.
- Tech Lead & MCO (Fleet Management):Fleet management via WP-CLI, code audits, critical production bug resolution, emergency troubleshooting (SOS), automation (Cron/Bash), and technical debt management.
- Consulting (AMOA) & AI-Augmented Delivery:Identification of business needs, feasibility validation, costing, and strategic support. AI as a delivery accelerator (with safeguards).
- Association Prix Jean VigoTechnical Direction, Joomla to WordPress Migration & Custom DevelopmentCULTUREJanuary 2025 - January 2025End-to-end support (Consulting, UX, Dev) for the complete redesign of the Prix Jean Vigo Association's digital platform. Project management, from strategic design to technical deployment, including the migration of an aging system to a modern and high-performance WordPress stack.Key missions and achievements:
- Project Management & Digital Strategy: Complete UX/UI overhaul, redesign of the site structure to streamline navigation, and editorial work (highlighting the archives of the Jean Vigo family).
- Migration Engineering (Data): Extraction, cleaning, and import of the old Joomla site's database (decades of archives, award winners, and news) into a structured WordPress architecture (Custom Post Types & ACF).
- Advanced SEO & Artificial Intelligence: Definition of the SEO strategy and use of AI (LLMs) to assist in generating and optimizing historical content, ensuring high visibility on search engines.
- Custom Development (Back/Front): Creation of a dedicated business plugin, engineering of a 100% AJAX search engine (multi-criteria cross-filtering), development of custom REST API routes, and optimization of Core Web Vitals (caching via Transients, animations managed by IntersectionObserver).
- Client Autonomy: Creation of a custom Back-Office to allow editorial teams to easily manage this rich cinematic heritage.
Reviews
G
Gilles
skilio
Reviewed on 11/14/2023
Excellent support. Very fast, efficient, and very good listener. I recommend (and will continue to work with Damien).
Akim
DYP
Reviewed on 11/4/2023
Damien quickly understood the need and was proactive in recommending how to approach the issue. His proactivity and expertise make him an effective partner!
Recommendations
FG
FU
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Education
- Web Developer (I-DEV)Ecole Supérieure Aristée (83)2018
Certifications
- WordPress top 5% out of 933.7k peopleLinkedin2022
- Front-end Development top 5% out of 501.7k peopleLinkedin2022