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Yassine MoYM

Yassine Mo

Senior Backend Developer Php/Symfony/react/vuejs

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Yassine

Senior PHP Developer specialized in Symfony, I support companies in the design, development, and evolution of robust and high-performance web applications.

With several years of experience on various projects (SaaS, business platforms, APIs), I can intervene across the entire development cycle: from defining needs to production deployment.

🔧 My expertise:

  • Back-end development in PHP (Symfony)
  • API design and development (REST, API Platform)
  • Front-end development with React and Vue.js
  • Maintenance, updates, and evolution of legacy projects
  • Implementation of caching and performance systems (Redis, Varnish)
  • Integration of messaging systems (RabbitMQ)
  • Software architecture (DDD, Clean Architecture)
  • Performance optimization and refactoring
  • Integration with databases (MySQL, PostgreSQL)
  • Implementation of tests (unit and functional)

🚀 What I bring:

  • Ability to work on both new projects and complex existing codebases
  • Mastery of performance, scalability, and caching issues
  • Clean, maintainable, and scalable code
  • Good understanding of product and business needs
  • Clear communication and regular follow-up
  • Autonomy and adherence to deadlines

Accustomed to working in an agile and remote environment, I quickly integrate into your teams to advance your projects efficiently, including in existing or constrained technical contexts.

Available for freelance missions, feel free to contact me to discuss your needs.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • Score Secure Pyment
    Backend Developer Php
    BANKING AND INSURANCE
    September 2025 - March 2026 (6 months)
    Paris, France
    • • Development and maintenance of backend applications in PHP with Symfony 6
    • • Design and implementation of features related to online payments (initiation, processing, security)
    • • Setup of transfer scenarios (issuance, reception, transaction monitoring)
    • • Collaboration with merchants for payment solution integration and adaptation to business needs (SNCF, Leroy Merlin…)
    • • Development of features for merchant onboarding, transaction management, and financial flow monitoring
    • • Integration of third-party APIs, notably Skaleet, for banking and payment services management
    • • Implementation of webhooks for real-time payment notification management (transaction statuses,
    confirmations, failures)
    • • Setup of reimbursement processes and financial flow management
    • • Integration and management of asynchronous messaging systems with RabbitMQ
    • • Setup and maintenance of tests with PHPUnit, ensuring reliability and non-regression
    • • Participation in technical architecture and service performance improvement
    • • Setup and management of CI/CD pipelines with Jenkins
    • • Use of Git for code versioning and team collaboration
    • • Implementation of Git hooks integrating AI to improve commit quality (validation, standardization, automatic control)
    • • Task tracking, ticket management, and agile collaboration via Jira
    • • Writing technical documentation and participating in code reviews
    • • Working in a secure environment with consideration for regulatory constraints (payment, compliance)
    PHP Symfony JavaScript MySQL RabbitMQ
  • Taxis driver
    Full Stack Developer
    TRANSPORTATION
    April 2024 - August 2025 (1 year and 4 months)
    Clichy, France
    • • End-to-end development of a cross-platform mobile application with React Native.
    • • Design of a real-time application facilitating connection between taxis and clients.
    • • Translation of complex business needs into simple and maintainable interfaces.
    • • Definition of application architecture and technical choices, with a strong focus on modularity and maintainability.
    • • Implementation of booking APIs, business rule management, and critical backend flows (Node.js, NestJS).
    • • Development of an intranet for booking taxis for professionals, with interfaces focused on
    performance and user experience (React, TypeScript).
    • • Setup and use of RabbitMQ for managing asynchronous processing, message queues, and inter-service communication
    • • Implementation of online payments with Stripe, allowing card registration and automatic refund management, reducing payment processing time by 30%.
    • • Google Ads campaign management with a budget of €10,000 per month. Performance monitoring with Google Analytics. Meta tag optimization for SEO.
    • • Connection to a Firebase database for authentication and real-time storage.
    • • Deployment on Google Play Store and Apple App Store.
    • • Performance monitoring with Expo and implementation of user testing.
    • • +3000 downloads
    React.js React Native Node.js RabbitMQ
  • Webedia
    Full Stack Developer
    PRESS AND MEDIA
    June 2022 - March 2023 (9 months)
    92300 Levallois-Perret, France
    • • Application maintenance and development of new features in PHP, Symfony 3, and Vue.js. Refactoring of existing code and improvement of application stability (websites: 750g and Tudogostoso).
    • • Management and optimization of relational databases (MySQL), improvement of performance and
    response times
    • • Implementation of caching solutions (Redis) and asynchronous processing via RabbitMQ for
    high-traffic issues (9 million monthly visitors).
    • • Setup and maintenance of CI/CD pipelines with GitLab CI, management of development, test, and production environments (Docker).
    • • Writing and execution of unit and functional tests (PHPUnit) to ensure application quality and reliability
    • • Participation in cloud environment deployment, load testing, and contribution to application scalability.
    • • Implementation and operation of Elasticsearch for full-text search, business data indexing, and
    performance optimization.
    • • Contribution to application migration work from Symfony 3 to Symfony 4, including code adaptation, dependency updates, and compatibility management
    • • Evolutionary and corrective maintenance of a Symfony bundle dedicated to a content management system for recipe writers
    • • Active participation in team code reviews to ensure quality, maintainability, and adherence to best practices.
    • • Participation in Agile ceremonies: daily meetings and retrospectives.
    • • Communication in English with the development team in Brazil.
    • • Writing documentation
    MySQL/MariaDB PHP Symfony JavaScript Vue.js Redis

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Education

  • Bac+2
    Ecole Doranco
    2009
    Bac+2
  • Scientific Baccalaureate
    Lycée Simone de Beauvoir
    2007
    Baccalauréat Scientifique

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