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Geoffrey H.GH

Geoffrey H.

Expert Frontend Svelte / Vue

€500/day
1 project
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Geoffrey

Freelance web developer for 9 years.
Specialized in the Javascript ecosystem (Node, Firebase, Vue, Svelte).
Graduated with a Master's degree from SUPINFO.

I work with Agile methodologies for continuous feedback, flexibility to redirect as needed, and to achieve the results you truly need.

I am particularly interested in:
- Svelte for frontend
- Highly interactive / graphical applications (WebGL, ThreeJS, Unity/Unreal)
- Projects in the fields of science or the environment
  • French

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • GraphAware
    Graph Visualization Library Developer
    PUBLIC SAFETY
    October 2022 - February 2024 (1 year and 4 months)
    • Development, improvement, and evolution of a Typescript/Three.js/WebGL library
    • Development of new features (e.g., pie charts on nodes)
    • Performance improvements (~50% faster)
    • Code improvements (DRY refactoring, re-architecture, simplification, documentation, build workflow improvement)
    • R&D for the development of custom graph layout algorithms
    Typescript WebGL threejs three.js JavaScript Svelte SvelteKit Vue.js
  • Tooloa
    2D Map Editor (Svelte / SVG)
    TECH
    March 2022 - June 2022 (3 months)
    The company provides other companies with 2D explorable online campuses.
    These campuses are composed of maps that can have user interactions such as watching a YouTube video or joining a video conferencing room.

    The goal of this mission was to develop a map editor that allows defining these interaction zones.

    Achievements:
    - Project creation with Svelte + Tailwind
    - Tool UI
    - Interaction zone drawing functionality
    - Inspector for managing interaction zones
    - 2D vector mathematics library
    - Integration with the client's API (opening, list of maps, autosave)
    - Configurable interactions based on client API definitions
    - Anchor system for customizable content positioning (images, videos)
    Svelte TailwindCSS SVG JavaScript
  • HeyAMZ
    KPI-Deck: Analytics Tool for Amazon Sellers
    E-COMMERCE
    September 2020 - January 2022 (1 year and 4 months)
    KPI-Deck is a data visualization tool for Amazon sellers. Through API access to seller data, the platform aims to provide clients with a comprehensive, time-based overview of their business's health.

    This mission was carried out in collaboration with the startup's two founders and two other freelance developers.

    - The homepage provides a global view of sales activity through a flexible graph allowing zooming into specific periods, metrics, or products, accompanied by an aggregation of these metrics over the period.
    Additionally, key data blocks provide information on the current day's situation, the previous day, the current month, and a prediction for the full month.
    - Various metrics are available: revenue, advertising costs, product cost of goods, shipping costs, taxes, profits, and many more.
    - The application also provides additional services (whose data is not directly available via the Amazon API) such as: managing product costs of goods through a system for adding stock orders, managing shipping costs, managing business investments, and recurring business expenses.

    This application was built with a Nuxt / NodeJS / MondoDB stack hosted on AWS.
    An additional service is responsible for retrieving and updating seller data (also on NodeJS).
    Nuxt.js Vue.js Node.js

Reviews

4.0

Out of 1 rating

VincentV

Vincent

Ouvrages

Reviewed on 5/19/2016

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Education

  • Expert in Information Technology and Information Systems (Master's degree)
    Supinfo
    2015

Skill set

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