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Mouhamadou SyllaMS

Mouhamadou Sylla

FullStack Developer React Js - Native / Node Js

€128/day
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mouhamadou

Passionate about web development and committed to producing reliable, readable, and maintainable code, I wish to offer my skills to your digital projects.

Through my experiences and projects, I have acquired a solid mastery of front-end technologies (HTML, CSS, JavaScript, modern frameworks like React Js, React Native, Node Js) as well as back-end tools for designing robust, secure, and well-structured APIs. I pay particular attention to ergonomics, performance, and the overall quality of the user experience.

Accustomed to teamwork, I know how to collaborate with designers, project managers, and other developers, respecting deadlines and best development practices (version control, code reviews, testing). I am also ready to continue learning to adapt to your technological stack and your working methods.
  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • VNB-IT,
    Technical Lead & Full Stack Developer
    July 2024 - Today (2 years)
    Paris, France
    – Led project architecture for frontend (React.js / React Native) and backend (Node.js), from Figma handoff to production deployment.
    – Implemented a secure JWT authentication system (access & refresh token rotation) with Google and Apple Auth integration.
    – Designed a REST API architecture following the MVC pattern, integrating existing Django modules alongside Node.js.
    – Built a real-time messaging system using WebSocket / Socket.io.
    – Set up push notifications on React Native and integrated Stripe payment processing (payments & refunds).
    – Optimized backend queries for performance; proactively anticipated edge cases to ensure code reliability before release.
    – Project management via GitHub Projects: task breakdown, assignment, progress tracking, code review and merge.
    – Coordinated a team of 1 developer and 8 interns.
    – Set up cloud storage (AWS S3) for web and mobile projects (LCR, LCR Pro, Nexuroom).
    – Implemented full i18n with i18next: structured JSON translation files (locales/), dynamic language switch, persisted preference, default language French.
    JWT React Native Node.js Django React.js
  • VNB-IT,
    Front-end Developer
    January 2024 - July 2024 (6 months)
    Paris, France
    – Developed fully responsive React.js & React Native interfaces (desktop to mobile) without excessive media queries.
    – Reproduced Figma designs with pixel-perfect accuracy.
    – Integrated Node.js and Django APIs on the frontend. Debugged CSS across devices. Version control with Git/GitHub.
  • VNB-IT,
    Frontend Development Intern
    September 2023 - January 2024 (4 months)
    Paris, France
    – Built React.js interfaces from Figma mockups. Responsiveness, CSS debugging, Node.js & Django API integration.

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Education

  • Database Admin — Meta
    Coursera
    2024
    Database Admin — Meta
  • Laravel — Meta
    Coursera
    2024
    Laravel — Meta

Skill set

Categories