Freelancer profile translated to English.
Back to original languageAbout Haithem
Lead Developer Symfony 7 • Technical Project Manager • SI Migration Expert
PHP / Symfony Expert (13 years of experience) specializing in critical architectures and high-volume data migration (> 20GB). I support CIOs (Healthcare, Industry, Public Sector) in securing and evolving their complex information systems.
My areas of intervention:
Architecture & Tech Lead: In-depth expertise in Symfony 7, PHP 8.3, API Platform, and Clean Code (SOLID). SQL performance audits with measured gains (30%).
Critical Migrations & Cloud: Technical oversight of major redesigns and framework migrations (v5 to v7) while maintaining business integrity and security.
Automation & Flows (n8n): n8n certification for process optimization and complex SI flow synchronization.
Management & Communication: Liaison between business needs and technical implementation. Workshop facilitation, risk management, and technical supervision (up to 6 developers).
Notable references: ATIH (Healthcare), Allopneus (E-commerce), Professional Association of Chartered Accountants.
Guaranteed: Scalable code, mastered CI/CD pipelines, and a culture of systematic testing. Immediately available for your audit, migration, or Technical Lead projects.
French
Fluent
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- Conseil national de l'ordre des experts-comptablesTechnical and Functional Project Manager / Technical ReferentPUBLIC SECTORJanuary 2025 - December 2025 (11 months)Paris, FranceThe National Council of Chartered Accountants is a national institution, under the supervision of the Ministry of Economy and Finance, whose role is to ensure the representation, promotion, defense, and development of the chartered accountant profession, both in France and abroad.Missions- Technical and functional managementof structuring IT projects (budget > €200k), including leading the redesign from WordPress to Drupal 10.- Scoping and specifications:Analysis of business needs and writing of functional and technical specifications.- Tender management:Selection of service providers and management of external deliverables.- Governance and Mentoring:Facilitating the IT roadmap through business workshops and mentoring a junior project manager.
- ATIHLead PHP/Symfony DeveloperHEALTH AND WELLNESSJuly 2022 - August 2024 (2 years and 1 month)Paris, France
- Technical Leadof a team of 4 to 5 developers on healthcare applications with high data volume.
- Performance:Optimization of complex SQL queries, improving response times of national decision-making tools by 30%.
- Quality:Implementation of PSR standards and securing the delivery pipeline (TMA) in a critical environment.
- Management:Effort estimation and close coordination with business and product departments.
- Revue technique automobileSenior Full-Stack DeveloperRETAIL (SMALL BUSINESS)March 2021 - June 2022 (1 year and 4 months)Paris, France
- Critical Prestashop Migration (v1.6 to v1.7):Management of the complete platform migration while fully maintaining SEO and adapting over 30 native and custom modules.
- Massive Database Optimization (> 20 GB):In-depth restructuring and cleaning of SQL schemas, leading to significant improvements in system performance and stability.
- Migration Engineering & Maintenance:Design of automated scripts and custom maintenance tools to ensure data integrity during transition phases.
- API & Backend Development:Design and adaptation of Laravel APIs (CRUD, synchronization flows) for service interconnection.
Reviews
AD
Account deleted
Reviewed on 2/3/2017
Haithem is a Prestashop specialist, great work, very responsive!!! I recommend his services!
Thomas
Harko
Reviewed on 6/6/2017
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Education
- Advanced Technician in Management Information SystemsELITE - Certified School2006
Certifications
- n8n Certified Level 2n8n.io2026