Freelancer profile translated to English.
Back to original languageAbout Alen
Web developer specializing in PHP 8 and Symfony 7, I design robust, maintainable, and results-oriented business applications.
I work across the entire chain: **backend architecture, database modeling, frontend development, access security, and deployment**.
I assist companies, startups, and freelancers to:
- create a custom web application;
- evolve an existing Symfony application;
- improve performance and code quality;
- fix critical bugs and stabilize a platform.
My expertise
- Backend: PHP 8, Symfony, Doctrine ORM, MySQL, layered architecture (Controller / Service / Repository / DTO)
- Frontend: Twig, Tailwind CSS, JavaScript, Stimulus
- Security: authentication, role and permission management, CSRF, password hashing, token verification workflows
- Quality & Maintenance: refactoring, PHPUnit tests, Doctrine migrations, optimization and technical debt
- Tooling: Composer, npm, Webpack Encore, PostCSS, Babel, Git
Types of projects I undertake
- Development of Symfony web applications from scratch
- Creation of back-offices and administration areas
- Development of CRUD modules (users, content, documents, contacts…)
- Implementation/evolution of authentication and access rights
- Responsive UI integration with Twig + Tailwind
- Implementation of email workflows (notifications, validation, verification)
- Technical audit and improvement plan for an existing codebase
- Corrective and evolutionary maintenance
My working method
- Clear definition of needs and priorities
- Breakdown into short, visible deliverables
- Regular communication on progress
- Clean, documented, and maintainable code
- Respect for deadlines and focus on business value
I can intervene as a punctual support or for long-term collaboration, with an approach focused on reliability, code readability, and product performance.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- la préservatriceSymfony web application for a medico-social structureMEDICALJanuary 2026 - March 2026 (2 months)Development of a business web application under Symfony 7 for a medico-social structure, aiming to centralize digital communication, content management, and user interactions.The platform combines a public institutional website (news, documents, legal pages, contact form) and a secure multi-role back-office allowing teams to easily manage publications, documents, and incoming messages.The application improves editorial productivity, secures user relationships (security, tracking, administrative responses), and enhances online visibility through a comprehensive and maintainable technical SEO foundation.Key features:
- Secure multi-role back-office (admin / superadmin)
- Complete news management (categories, images, SEO slugs, publication)
- Public news portal (sorting, filters, pagination / load more)
- PDF document management (upload, editing, deletion, viewing)
- User administration (roles, activation, profiles)
- Secure contact form with email validation and anti-spam
- Tracking of messages and administrative responses via email
- Advanced technical SEO: dynamic sitemap, meta tags, Open Graph, JSON-LD
- Integrated legal and GDPR pages
- Media management and optimization
- Multi-domain architecture
- Phoenix 95Symfony web application - back-office and content managementCIVIC AND SOCIAL ORGANIZATIONSJune 2025 - January 2026 (7 months)Development of a Symfony web application (PHP 8) with an administrator back-office.Design and implementation of a complete web application with Symfony architecture, including user management, an administration area, and content management modules.Implementation of a structured backend (Controllers / Services / Repositories / DTO), data modeling with Doctrine ORM and MySQL, as well as migration management for schema evolution.Development of the interface with Twig, Tailwind CSS, and JavaScript (interactive components), integration of business workflows (forms, email notifications, token-based verifications), and access security via authentication, roles, and CSRF protection.The project also includes evolutionary maintenance, continuous code improvement, build tooling configuration (Webpack Encore), and preparation for software quality (PHPUnit tests/configuration).Stack: PHP 8, Symfony 7, Doctrine ORM, MySQL, Twig, Tailwind CSS, JavaScript, Stimulus, Webpack Encore, PHPUnit, Git.
- Stage Alpha DeveloppementBackend DeveloperMay 2024 - June 2024 (1 month)• Creation of the relational database• Implementation of the Codeigniter framework and page integration• Implementation of authentication and contact functionalities• Team projects, use of Git and Github
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Education
- Web and Mobile Web DeveloperWebforce32024Developpeur Web et Web Mobile
- Miage Bachelor's DegreeUniversity Paris X2010Licence Miage
Certifications
- Professional Title Web and Mobile Web Developer (DWWM)Ministry of Labor (France)2024