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Malick BelgrineMB

Malick Belgrine

Senior Front-End Developer

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Malick

Front-End Developer with 10 years of experience creating responsive and accessible user interfaces. Specializing inA/B Testing, JavaScriptand **Nodejs**, I have contributed to improving performance and user experience on various projects. Passionate about technical challenges and innovation, I am looking for new opportunities to leverage my skills in ambitious projects.
  • French

    Native or bilingual

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

Experience

  • Kameleoon
    Lead Front-End Developer
    January 2021 - March 2024 (3 years and 2 months)
    Paris, France
    • - Technical leadership for the development and refactoring of approximately 70 WebServices in Node.js, significantly improving code maintainability and reducing average response times.
    • - Design and deployment of robust APIs with Express.js.
    • - Development of an e-commerce site for the Kameleoon SDK (React, Node.js, PHP), enhancing client autonomy in feature integration.
    • - Implementation of unit and end-to-end tests to ensure the stability of critical services.
    • - Coaching technical teams on front-end and back-end development best practices within an Agile framework.
  • Kameleoon
    Front-End Developer & A/B Testing Specialist
    January 2018 - December 2020 (2 years and 11 months)
    Paris, France
    • - Design and development of Node.js WebServices dedicated to A/B Testing campaigns, improving test reliability.
    • - Creation of advanced UX variants (JavaScript, CSS) for predictive testing, contributing to notable conversion increases for e-commerce clients.
    • - Complete or partial redesign of major websites via a JavaScript overlay, without impacting existing technical stacks.
    • - Close collaboration with UX/UI teams to integrate Figma/Sketch mockups with pixel-perfect precision.
    • - Implementation of event trackers (Google Analytics, GTM) and resolution of complex bugs related to asynchronous operations and the DOM.
  • Shopping-Flux
    Front-End Developer
    May 2016 - March 2017 (10 months)
    Paris, France
    • - Redesign of an e-commerce web application with Angular 2, improving navigation fluidity and user experience.
    • - Integration of mockups in HTML5, SASS, and JavaScript (ES6), adhering to accessibility standards (WCAG) and responsive design principles.
    • - Implementation of a continuous integration (CI) pipeline with Git and Docker, reducing deployment times.
    • - Optimization of front-end performance (lazy loading, minification), speeding up page load times.
    • - Work in Scrum methodology with participation in sprints, stand-ups, and code reviews.

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