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Damien GrosDG

Damien Gros

Supermalter

Expert Drupal & PHP | Audit Modernization Security

€520/day
92 projects
Figeac, FR
15+ years

Average response time: 4 hours

Freelancer profile translated to English.
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About Damien

Expert Drupal and senior PHP developer, Acquia certified (Drupal 10), I audit, modernize, migrate, and maintain your critical PHP applications: Drupal 7 to 10/11 migration, PHP version upgrades, ongoing maintenance, refactoring, technical debt. No service interruption, with test coverage.

15 years of experience with complex PHP architectures: BNP Paribas, RATP, Mercedes-Benz, French Academy of Sciences.

Technical Audit
Code audit delivered within 72 hours: static analysis, security (OWASP), dependencies, architecture, performance. Double-read report (executive summary + technical details), with a quantified and business-risk-prioritized modernization plan.

Migration and Version Upgrades
Drupal 7/8/9 to Drupal 10/11 migration: content, functionality, and SEO preserved. PHP version upgrades (5.6/7.x to 8.x), Symfony and Laravel updates. Gradual, no big bang.

Ongoing Maintenance / Evolutionary Maintenance and Troubleshooting
Taking over sites left without support: restoration (500 errors, hacking, blocked updates), security hardening. Preventive maintenance and ongoing maintenance for Drupal, Symfony, WordPress, or custom PHP.

Modernization and Refactoring
Architecture refactoring, decoupling monoliths, automated tests (zero regressions), CI/CD, performance optimization, security hardening, technical debt reduction.

Custom Development
Creation and redesign of websites and business applications: catalogs, client areas, extranets. Redesigns without SEO loss.

AI and Automation
AI Agents / LLMs in production: RAG assistants on your documents, workflow automation (n8n), integration into existing systems. Claude, OpenAI, LangChain.

My approach: translate technical aspects into business risks and opportunities for your decision-makers.

Stack: PHP 8+, Drupal 10/11, Symfony, Laravel, WordPress, Docker, AWS, CI/CD, PHPStan, PHPUnit.

🏆 Acquia Certified Developer - Drupal 10
  • English

    Fluent

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Ability
    Malt logoOn Malt
    Backend & Performance Architect - International Drupal 10 Project
    DIGITAL AND IT
    October 2024 - July 2026 (1 year and 9 months)
    Figeac, France
    Called upon to secure the launch of an international project under Drupal 10. Managed challenges related to Headless mode, multi-domain, multi-workspace, and Elastic Search indexing. Successful launch leading to maintenance management and assignment of a new project under Drupal 11.
    Drupal Elasticsearch Headless CMS Performance Migration
  • Agence La Fille
    Long-Term Technical Partner - Complex Architectures & CRM Interconnections
    DIGITAL AND IT
    February 2018 - Today (8 years and 5 months)
    Figeac, France
    Technical partner for a digital agency for 8 years. Delivered complex projects under Drupal and WordPress requiring strong interconnections. Key expertise in coupling with third-party CRMs (Salesforce, Odoo, Eudonet) and integrating SOLR search engines. Robust solutions for clients like RATP and AFRC.
    Drupal Amazon Web Services Stripe Google APIs Solr
  • Comptoirs du Multimédia / Nexton Consulting
    BNP Real Estate - Digital Ecosystem Audit & Evolution
    DIGITAL AND IT
    February 2022 - December 2024 (2 years and 10 months)
    Intervention on the BNP Real Estate digital ecosystem (Drupal 10). My mission covers the complete application lifecycle: from needs analysis to integrating new features, including bug fixing. Rigorous work to ensure the continuous evolution of the bnppre.fr website.
    Drupal JavaScript Solr Audit Performance

Reviews

5.0

Out of 67 ratings

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Account deleted

Reviewed on 10/10/2019

We have been working with Damien since early 2018 and have always been satisfied with the results of his work and the handling of our projects.
SeyiveS

Seyive

La Fille

Reviewed on 5/24/2019

As usual! Perfect 👍🏽

Recommendations

FU
EH
Julien RouyerJR
Former user and 2 other people have recommended Damien

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Education

  • BTS Computer Science and Networks
    CCI Nîmes
    2007
    Développement d'applications C/C++ et PHP. Administration réseaux

Certifications

Skill set

Categories