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Yassine B.YB

Yassine B.

Developer | Node.js · Java · Angular · React.js

€450/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Yassine

👋 Hi, I'm Yassine, a passionate full-stack developer with several years of experience on complex projects, whether freelance or in a company.

💻 My thing is designing robust, scalable, and user-oriented web & mobile applications. I mainly work with Node.js / NestJS on the backend, and Angular / React / Ionic for the front end. I also develop complete solutions integrating high-performance APIs, optimized databases (PostgreSQL, MongoDB, MySQL), and DevOps workflows with Docker.

🚀 On a mission, I notably:

Created a custom e-commerce SaaS application

Worked on the modernization of government applications

Developed a virtual AI secretary connected to WhatsApp and Instagram

Integrated AI solutions to automate content creation

🧠 I have a product-oriented approach, I know how to discuss with technical or business profiles, and I like to bring simple solutions to complex problems.

🎯 My services:

Full-stack web & mobile development

Creation of high-performance REST APIs

AI integration / automation

Technical & SEO optimization

Tech & architecture support

🛠️ Favorite Stack: Node.js, NestJS, Angular, React.js, Ionic, Spring, Symfony
Docker, MySQL, PostgreSQL, MongoDB
  • English

    Fluent

  • French

    Native or bilingual

  • Arabic

    Conversational

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

Experience

  • Bonapp
    Creation of a restaurant ordering service
    RESTAURANTS AND FOOD SERVICE
    September 2021 - Today (4 years and 9 months)
    Paris, France
    Bonapp is an application allowing customers to order directly from their smartphone and track the status of their order

    For the restaurant owner, it allows them to manage their restaurant and their collaborators through an interface that is unique to them
    Tech Lead React.js Node.js NestJs Docker React Native Formation Agile Method
  • Sword group
    JAVA/ Angular Developer
    PUBLIC SECTOR
    October 2022 - October 2024 (2 years)
    Geneva, Switzerland
    Strategic Front-End Redesign (OFS): Migration Management October 2022
    • October 2024 of a government application of the Federal Statistical Office, transforming the Dojo UI interface into an Angular solution. Result: significant improvement in user experience and a 40% reduction in maintenance time. Digital transformation for the DGNSI: Major contribution to the modernization of the application park of the canton of Lausanne. Technical expertise in adapting Java/Spring backends to ensure seamless integration with new Angular and AngularJS interfaces. Implementation of an evolving architecture respecting the strict security and regulatory constraints of the public sector. Structuring project RDU (Unified Determining Income): Intervention as a Java backend developer (Java 17) on two critical axes:
    • 1. Design and implementation of a database redesign aligned with legislative changes, optimizing the performance of complex queries while ensuring the integrity of sensitive data.
    • 2. Development of a dynamic tax household management module allowing automatic updating of statuses and recalculation of associated social rights.
  • Société Générale
    Java / Angular Developer
    BANKING AND INSURANCE
    June 2020 - August 2022 (2 years and 2 months)
    Fontenay-sous-Bois, France
    Creation of an application allowing the pooling of
    knowledge and processes. It also allows you to create and
    manage a project more easily than current tools.
    (Java/angular)
    ● (6-month internship period): Completion of a personal project in .NET
    Core: Task management API (TaskManager)
    o Development of a RESTful API with ASP.NET Core
    o Implementation of JWT authentication and user
    management
    o Connection to an SQL Server database via Entity
    Framework Core
    o API documentation with Swagger
    o Implementation of filters, sorting, pagination, error
    management and server-side validation
    Angular Symfony Spring Java Git Jenkins TDD Atlassian JIRA GitHub

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Education

  • Bts SIO SLAM
    IMC randstad
    BTS DÉVELOPPEUR en alternance
  • Licence MICDTL
    Paris Descartes
    2020
    Licence Métiers de l'informatique. Conception, développement, test de logiciels (MICDTL).

Skill set

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