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Grégory LamaGL

Grégory Lama

Frontend Application Developer

€470/day
Livry-Gargan, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Grégory

đź‘‹ Hello! I am aFrontend Developer specializing in React, TypeScript, and Python**, with **over 7 years of experiencein creating performant, intuitive, and sustainable interfaces.

I help companies **design, optimize, and evolve their web applications**: UI redesign, performance improvement (Core Web Vitals), Design System implementation, API integration, and GDPR compliance.

đź’ˇ My added value: an approach that is both **technical and product-oriented**, focused on user experience and code quality.

I collaborate with product, design, and backend teams onSaaS, e-learning, media, or internal toolplatform projects.

My goal: **transform your ideas into fluid and impactful web experiences**.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Livry-Gargan (up to 10km), Paris (up to 10km)

Experience

  • Prismamedia
    Frontend Application Developer
    PRESS AND MEDIA
    November 2023 - October 2025 (1 year and 11 months)
    Gennevilliers, France
    Within the Performance and Monetization department:

    - Management of the technical solution for monetizing Prisma Media websites
    - Performance improvement
    - Management of Core Web Vitals performance constraints
    - Consent management via CMP and GDPR compliance
    - Design and development of a complete automated JavaScript bundle weight verification system (< 310KB) with JUnit reports integrated into the GitLab pipeline
    - Implementation of Python tools for cyclomatic complexity analysis with configurable thresholds and XML/JSON report generation
    - Automation of Google Chat notifications for releases with JIRA integration and changelog management
    - Development of an automatic sourcemaps upload system to Datadog for production monitoring
    JavaScript Prebid js header bidding redux Svelte
  • OpenClassrooms
    Frontend Engineer
    EDUCATION AND E-LEARNING
    July 2016 - June 2023 (6 years and 11 months)
    Région de Paris, France
    - Creation and integration of new features
    - JavaScript development => ReactJS, EcmaScript 6, TypeScript, Material UI, Vonage API, Cypress, Jest, Storybook, Figma
    - Responsive Design
    - Creation of graphical components
    - Contribution and update of the Design System
    - Writing technical analysis
    - Bug fixing

    Systems: Mac OS X
    Languages: HTML5/CSS3, ReactJS, TypeScript, Twig
    Environment: PHP
    Framework: Symfony
    Tools: Git, Yarn, PostgreSQL
    IDE: PhpStorm
    Agile Methodology
    React.js Typescript HTML5 Hooks Cypress CSS3 JavaScript redux Git
  • ENGIE
    Frontend Integrator Developer
    ENERGY AND UTILITIES
    March 2016 - June 2016 (3 months)
    Bagneux
    Service provision SQLI: Client: ENGIE
    - Creation and integration of HTML5 / CSS3 pages
    - JavaScript development - Responsive Design
    - Bug fixing
    Systems: Windows Vista
    Language: HTML5 / CSS3, SASS, Javascript (jQuery), JSP, Bootstrap
    Environment: JAVA
    IDE: Eclipse, Sublime
    Tools: SVN, Gulp
    HTML5 CSS3 JavaScript SASS Bootstrap

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Education

  • Bachelor's Degree
    University Paris 13
    2010
    Conception Integration Web et Multimédia

Skill set

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