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Sylvain G.SG

Sylvain G.

Fullstack Developer / React / Next / Node

€650/day
Lyon, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sylvain

Developer for 15 years, I quickly specialized in frontend development, implementing web standards. The possibility of designing high-quality products with optimized tools in a constantly innovating environment motivated me to orient myself this way.

With an academic background in telecommunications, I was able to acquire an early comprehensive vision of the different components of an information system, the technologies used, and their specific challenges. This is mainly why I position myself with a DevOps and full-stack vision on my projects, being able to follow a product throughout its entire development cycle, from writing back/front code to managing deployments, including server administration.

Now a freelancer after years of experience in startups rich in lessons learned, I wish to make my acquired expertise available by supporting projects of all kinds. Whether it's a need for occasional reinforcement, advice on certain libraries or tools, architecting a project, or training other developers, I am open to various types of missions, let's talk about it!
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Lyon (up to 10km)

Experience

  • Laboratoires BOIRON
    Frontend Developer
    PHARMACEUTICALS INDUSTRY
    January 2022 - September 2024 (2 years and 8 months)
    Sainte-Foy-lès-Lyon, France
    Redesign of the Boiron group's corporate websites, including the parent company in France and its 13 international subsidiaries.

    • Setup of the Next.js + TypeScript stack, and the testing stack with Jest, Playwright.
    • Implementation of the Prismic CMS and migration of content from Drupal instances.
    • Integration of e-commerce functionalities based on Shopify.
    • SEO optimizations with validation of Core Web Vitals indicators.
    • Maintenance of the Gitlab CI/CD and production monitoring with Datadog.
    React.js TailwindCSS Kubernetes SEO Prismic Next.js Typescript Playwright
  • Groupe SEB
    Frontend Developer
    ENTERTAINMENT AND LEISURE
    September 2019 - September 2019 (1 month)
    Lyon, France
    Creation of a POC mixing PWA (mobile web application) and augmented reality.
    • Analysis and synthesis of advanced PWA capabilities.
    PWA
  • Sanofi Pasteur
    Technical Lead
    PHARMACEUTICALS INDUSTRY
    October 2019 - January 2022 (2 years and 3 months)
    Lyon, France
    Creation of a data visualization tool to monitor the quality of vaccine manufacturing processes.
    • Implementation of the Vue.js stack centered around Vue CLI and Apollo GraphQL.
    • Definition of the testing strategy based on Jest and Cypress tools.
    • Management of UX/UI design.
    • Maintenance of the AWS deployment, with ECS, Lambda, S3, EC2, Step Functions, using Terraform.
    Vue.js AWS Terraform Cypress GraphQL

Recommendations

Thibault BuisseTB
WP
FU
Thibault Buisse and 2 other people have recommended Sylvain

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Education

  • Master of Engineering, specialization Telecommunications, Services & Uses
    INSA Lyon
    2011
  • Oracle Certified Professional, Java Programmer 6
    Oracle
    2011

Skill set

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