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Wilsai M.WM

Wilsai M.

Fullstack Mobile & Web Developer

€450/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Wilsai

Developer for over 5 years, passionate and curious. My skills include Web application development (Java, NodeJS, Nest, Express, Ruby on Rails, React, Vue, Angular) & Mobile (Android, Flutter).
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

  • Russian

    Basic

Can work on-site
Paris (up to 20km)

Experience

  • Freelance
    Fullstack Web Mobile Developer
    SOFTWARE PUBLISHING
    June 2024 - Today (2 years)
    Paris, France
    Mission: E-commerce Application Development

    • Duration: (June 2025 - Present)
    • Industry: E-commerce / Tech
    • Role: Full-stack & Mobile Developer
    • Key Achievements: Design and complete implementation of an E-commerce solution. I developed a cross-platform application (Mobile, Web) and its dedicated administration panel. I structured the project by adopting Clean Architecture to ensure maintainability and scalability.
    • Stack: Flutter, Dart, Firebase (Backend/Authentication), Javascript
    Flutter Node.js Firebase Google Cloud Platform JavaScript
  • OCTO Technology
    Android Developer
    DIGITAL AND IT
    March 2020 - February 2024 (3 years and 11 months)
    Paris, France
    1. Agora (Public Service / Ministry of the Interior)

    • Duration: 5 months (September 2023 - January 2024)
    • Role: Flutter Developer.
    • Achievements: Creation of the citizen application from scratch, including a search plugin to ensure an "accessible friendly" solution.

    2. City of Paris (Public Service / Local Authority)

    • Duration: 4 months (April 2023 - July 2023)
    • Role: Android Developer.
    • Achievements: Refactoring of legacy architecture to MVP, and major update. I led a Flutter POC which led to the strategic decision to pool iOS/Android teams.

    3. Mon Espace Santé (Health / Public Service / Ministry of Health)

    • Duration: 1 year (May 2022 - February 2023)
    • Role: Flutter Mobile Developer.
    • Achievements: Design and development of a secure health document storage space and creation of a notification center. Stack: Flutter, Node.js, Redux.

    4. Mes comptes & Hello Bank! (Bank / Finance)

    • Duration: 1 year and 7 months (September 2020 - April 2022)
    • Role: Android Developer.
    • Achievements: Modernization of critical banking applications, integration of dark mode, and migration of Java classes to Kotlin. Active participation in the Bitrise CI/CD pipeline.

    5. Engie (Energy)

    • Duration: 5 months (May 2020 - September 2020)
    • Role: Web Developer.
    • Achievements: Design and development of a monitoring dashboard (React/Node.js) to identify, modify, and reprocess report errors (via Datadog).
    Flutter JavaScript Node.js Kotlin Java
  • ESENS
    Full Stack Developer Consultant
    October 2019 - February 2020 (4 months)
    Paris, France
    Development of APIs and services in micro-architecture (emailing, data processing, etc.) in the health and mutual insurance sector.

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Education

  • Scientific Baccalaureate with a specialization in Mathematics
    Lycée Ronsard Vendôme
    2012
  • Multimedia Project Manager
    Hétic
    2019

Skill set (44)

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