Freelancer profile translated to English.

Description

I am Yassine Kchaou, a web and mobile developer with over 10 years of experience, based in France, and founder of Abylsys, a digital development agency located in Tunisia.

👨‍💻 My Expertise

Back-end development: PHP (Symfony, Laravel), RESTful APIs, complex integrations

Front-end development: Angular, React, responsive and optimized integration

Mobile applications: Flutter, React Native

Agile project management with CI/CD

Cloud deployments and integrations (AWS, Docker, GitLab CI, etc.)

Always passionate about code and technological watch, I support my clients at all stages: from needs analysis to delivery, including technical design, development, and maintenance.

🏢 Abylsys – Development Agency

Abylsys is:

Presence in France through its founder (myself), ensuring proximity, responsiveness, and understanding of needs

Technical team in Tunisia, composed of experienced developers, allowing for very competitive rates

Experience in various sectors: healthcare, finance, pharmaceuticals, e-commerce, services...

Our Services:

✔️ Custom website development (showcases, e-commerce, business platforms)

✔️ Native and hybrid mobile applications

UI/UX design and prototyping

✔️ API integration and complex back-end solutions

✔️ Maintenance and technical support

🎯 My Strengths

10 years of experience on diverse projects in Europe and internationally

Solid technical expertise in PHP, JavaScript, mobile, and cloud

Ability to act as both a technical expert and a project manager

A unique hybrid model: European quality (presence in France) + optimized costs (production in Tunisia)

"Find my projects on my website (Abylsys.com)".

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Mipih
Full Stack Developer – PHP/Symfony/Angular
MEDICAL
March 2021 - Today (5 years and 3 months)
Amiens, France
Context: Development and maintenance of a web application for Time and Activity Management for medical staff.
Team: 2 Product Owners, 1 Scrum Master, 12 Developers.

Main Achievements:

Corrective and evolutionary maintenance of existing modules.
Ergonomic improvement and interface standardization.
Front-end and back-end developments:
User, group, and role management.
Evening activity and traceability management.
Payroll and leave management.
Multi-format Excel exports.
Interfacing with the Java Digihosp application via REST API.
Development of Symfony commands (scheduled tasks).
Creation of services triggering Shell/Bash scripts.
Optimization of complex queries on Oracle databases (performance & response time).
Contribution to the Symfony 4 → Symfony 5 migration.

Technical Stack:Symfony 4/5, Angular 12–18, PrimeNG, Oracle, HTML, CSS, Git, GitLab, SQL Developer, Rally, Composer, Gitflow, Xdebug.
Symfony Oracle Angular
E-SANTÉ Technology
PHP/Symfony Developer
HEALTH AND WELLNESS
February 2019 - February 2021 (2 years)
Béthune, France
Context:Development and improvement of a web platform for patient monitoring and support for pharmacists.
Team: 1 Product Owner, 1 Scrum Master, 5 Developers.

Main Achievements:

Corrective and evolutionary maintenance of existing modules.
Implementation of Gitflow and adherence to Symfony development standards.
Continuous code improvement (quality, performance, PHP 7 compatibility, PHPDoc documentation).
Development of key modules:
Pharmaceutical care: database design, questionnaire/answer management, PDF generation per patient.
Adherence: integration of prescriptions sent via mobile (JPG), notifications (mgilet/notification-bundle), detailed reporting & adherence score calculation.
Development of REST APIs consumed by the My Eureka mobile application.
Development of patches:
patient updates,
populating the database from annuaire.santé.fr.
Integration of the Santé BCB API (loading medications with UniRest).
Development of unit tests (PHPUnit) and deliveries to the testing environment.

Technical Stack:PHP 7, Symfony 3, PostgreSQL, Doctrine 2, FosUserBundle, FosRestBundle, UniRest, Bootstrap 4, jQuery, Ajax, PHPUnit, PHPDoc, Git, GitLab, Putty, Zoho, HTML5, CSS3, Apache.
Symfony Bootstrap Ionic
CGI FINANCE (Financeurs Créatifs)
PHP/Symfony Developer
BANKING AND INSURANCE
February 2018 - January 2019 (11 months)
Lille, France
Context:Technical overhaul and continuous improvement of the e-commerce site Vivacar.fr, specializing in the sale of used vehicles with financing (car loans).
Team: 1 Product Owner, 1 Scrum Master, 5 Developers.

Main Achievements:

Technical redesign of the site and performance optimization (Assetic).
Development of a back-office:
Bootstrap template integration,
user management via FOSUserBundle,
static content management.
Creation of a Blog module (article CRUD, social media sharing).
Development of a vehicle import patch (CSV files).
Implementation of code quality tools (PSR: PHP-CS-Fixer, GitHooks).
Integration of the Criteo marketing solution.
Code conflict management and validation in the staging environment.

Technical Stack:PHP 7, Symfony 3.4, Doctrine, MySQL, Elasticsearch, RabbitMQ, Bootstrap 4, jQuery, Ajax, SQL, Workbench, Git, TFS, Octopus Deploy, Jira, mRemoteNG, HTML5, CSS3, XML, Apache, Xdebug.
Elasticsearch jQuery RabbitMQ