Christophe Le Bars, Full-stack Developer in Paris, France
Christophe Le Bars

Full-stack Developer in Paris, France

Member since October 4, 2018
Christophe—with more than two decades of experience in Linux and web technologies—knows how to speak to machines and complex architectures are his stomping ground. He specializes in projects using open source software and the last iteration of his preferred stack includes Node.js, Nuxt.js, Mojolicious, but also includes Blockchain/Ethereum-related languages like Solidity and Web3.js.
Christophe is now available for hire



  • JSON API 10 years
  • Full-stack 10 years
  • Node.js 7 years
  • Serverless Architecture 5 years
  • Vue.js 2 4 years
  • Web3.js 3 years
  • Solidity 2 years
  • Truffle 2 years


Paris, France



Preferred Environment

Linux, Node.js, Nuxt.js, Vue.js, Solidity

The most amazing...

...thing I’ve done was to make from scratch a blockchain protocol to manage any kind of voucher; blockchain immutability and adversarial context are not forgiving!


  • Contractor

    2019 - PRESENT
    • Designed from scratch a platform to add integrations with external APIs, e.g., Slack, Google, and more.
    Technologies: Node.js, Redis, GraphQL, React
  • Architect

    2017 - PRESENT
    The Rouge Project
    • Created a blockchain protocol for voucher type objects.
    • Built a team of developers.
    • Created technical posts and the white paper for the project.
    • Was asked to be a technical speaker at a conference.
    • Led the development of many DApps using Ethereum and Nuxt.js.
    Technologies: Ethereum, Solidity, Vue.js
  • Contractor

    2019 - 2019
    • Built a Node.js daemon serving tokens able to circumvent a captcha-protected web page.
    • Created a microservice, using OpenCV, able to rotate automatically an image to realign a barcode.
    Technologies: Node.js, Docker, RabbitMQ, OpenCV
  • CTO

    2004 - 2017
    • Acted as the architect and lead developer for over 100 websites, mobile apps, and eCommerce platforms.
    • Architected four iterations of the online "trendiest store in the world" (according to Forbes):
    • Developed one of the very first online streaming platforms for classical music.
    • Worked as the digital innovation strategist of the company.
    • Created an in-house customer eShop framework using Catalyst and DBIx::Class.
    Technologies: Node.js, Vue.js, Nuxt.js, Perl, Catalyst


  • | eStore (Development)

    Colette is a constantly evolving and on the edge of the technology eStore with millions of visitors. For example, the website was one of the first in the world to be fully AJAX-based in 2005.

  • (Development)

    The world's leading classical music channel,, has offered access to the best of classical music to viewers worldwide since 2008.

  • Shakespeare and Company | Online Bookstore (Development)

    Shakespeare and Company is the name of an independent English-language bookstore that has existed on Paris's Left Bank for a number of years now. Now, they are also selling millions of books online.

  • The Rouge Project | Voucher and Note Protocol (Development)

    An open-source and multi-blockchain protocol to be able to securely transfer any kind of certificate of financial value between market participants (discount coupons, tickets, vouchers, and more).


  • Languages

    JavaScript, Solidity, Perl, Bash, SQL, GraphQL, C, PHP, OCaml, Reason ML
  • Frameworks

    Truffle, Nuxt.js, Mojolicious, JSON Web Tokens (JWT), Catalyst, Serverless Framework
  • Libraries/APIs

    JSON API, Vuex, Node.js, Web3.js, Vue.js 2, React, Google APIs
  • Platforms

    Linux, Moose, Debian, KVM, Apache2, AWS Lambda, Docker, Amazon Web Services (AWS)
  • Storage

    Redis, MySQL, PostgreSQL, SQLite, Memcached, SQL Functions
  • Other

    Data Architecture, Code Architecture, Full-stack, Web UX, Servers, Encryption, WebSockets, SSH, Proxy Servers, Debian Packaging, Serverless, Cloud, Cloud Microservices, eCommerce, Domain Name System (DNS), Server Migration, SSL, Payment Security, Payment Gateways, BuckleScript
  • Tools

    Mercurial, Git, KVM/Qemu, Makefile, Remix IDE, Nginx, Exim4, iptables, Squid Proxy Server, Gimp, Vagrant, NativeScript-Vue, Babel, RabbitMQ
  • Paradigms

    Functional Programming, Serverless Architecture, Agile Workflow


  • Master's degree in Computer Science
    1994 - 1995
    Paris-Sud University - Orsay, France

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