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Florian PereiraFP

Florian Pereira

JS Fullstack Developers ecosystem.

€850/day
Clermont-Ferrand, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Florian

Senior software engineer specializing in web and mobile application development.

My strengths:
- Ability to design and implement reliable, maintainable, and scalable architectures
- Expertise in frontend performance optimization
- My experience in technical leadership and team management

I have worked on various types of projects: backend, frontend, websites, mobile applications, browser extensions, e-commerce, and AI integration.

This varied experience allows me to have a global view of technical projects.

Feel free to contact me to discuss your project.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Clermont-Ferrand (up to 50km)

Experience

  • Wander
    Senior Product Engineer
    HOSPITALITY
    April 2023 - Today (3 years and 2 months)
    High-end luxury villa rental platform

    - **Main website**: Led Next.js migrations (v12 → v15) and optimized the booking flow performance
    - **Multi-tenant PMS**: Frontend development (Astro.js) of a white-label booking site generation system
    - **Technical choices**: Contributed to stack selection (Astro SSG + Cloudflare Pages) achieving Lighthouse scores of 90-100%
    - Developed reusable components and customization systems for generated sites
    Next.js React.js Luxury Hospitality Artificial Intelligence
  • Lemon Learning
    Javascript Expert Developer
    SOFTWARE PUBLISHING
    November 2021 - May 2023 (1 year and 6 months)
    SaaS software adoption platform helping companies reduce their training and support costs.

    - Restructured the extension architecture to improve maintainability, optimize performance, and enhance user experience
    - Redesigned the DOM element selection algorithm to ensure reliable tooltip display, even in complex cases (Shadow DOM, iframes, dynamic React/Vue applications)
    Chrome Extension Typescript React.js Digital Coaching Optimization
  • DomRaider
    Lead Developer
    E-COMMERCE
    October 2016 - April 2021 (4 years and 6 months)
    Clermont-Ferrand, France
    Online auction platform and blockchain solutions.

    Major technical overhaul of the website
    - Led the complete frontend redesign, migrating an obsolete Angular application to a modern React/Redux/Redux-Saga architecture.


    - Designed a scalable frontend architecture with advanced optimizations (virtualization, memoization, pure components) significantly improving performance
    - Developed a React Native mobile application sharing over 80% of the code between web and mobile versions

    Architecture and management - "PBNFactory" Project
    - Architect and technical lead of a team of 4 developers on a fullstack application
    - Designed a microservices architecture (Node.js, PostgreSQL, GraphQL) deployed on Google Cloud Platform (Cloud Functions, App Engine, Pub/Sub)
    - Developed the frontend in React with Rescript and Relay (GraphQL client)

    Blockchain & DApp - Auctionity Project
    - Designed and developed a hybrid decentralized application synchronizing Ethereum mainnet and a private network to combine security/transparency with optimal performance
    - Technical stack: React, Ethers.js, Solidity smart contracts, GraphQL and REST APIs

    Innovation & Proof of Concepts
    - Designed various POCs exploring Next.js, Gatsby, Apollo, Web3.js to evaluate new technologies and architectures
    Domain Name Node.js Automation React.js React Native

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Education

  • Computer Science Degree
    Université Blaise Pascal, Vichy
    2009

Skill set

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