Arnaud Mesureur, Business Strategy Developer in Paris, France
Arnaud Mesureur

Business Strategy Developer in Paris, France

Member since August 22, 2019
Arnaud has a proven track record of building scalable and robust web applications solving challenging problems in continually evolving and fast-paced environments. His experience ranges from creating a high-end web performance analytics platform to being the head of engineering of a unique online business marketplace visited by tens of thousands of people each day and generating millions in revenue.
Arnaud is now available for hire


  • Quinn
    PostgreSQL, React, Ruby on Rails (RoR), Ruby
  • Flippa
    Amazon Web Services (AWS), Docker, AWS, Heroku, React, JavaScript, RabbitMQ...
  • Washos
    Ruby on Rails (RoR), Ruby



Paris, France



Preferred Environment

Git, Vim Text Editor, VS Code, MacOS

The most amazing...

...project I've worked on is the only marketplace in the world for buying and selling online businesses.


  • Lead Software Engineer

    2019 - 2020
    • Led the development of a payment, tipping, and vendor management system for an audio sharing platform using Ruby on Rails (RoR) and React.
    • Migrated and scaled the entire infrastructure from DigitalOcean to Heroku.
    • Implemented coding best practices and guidelines into both the front-end React application and the Ruby on Rails codebase.
    • Refactored the data modeling at the application and database level.
    Technologies: PostgreSQL, React, Ruby on Rails (RoR), Ruby
  • Head of Engineering

    2015 - 2019
    • Shaped the business by participating in hiring, C-level meetings, business intelligence analytics, and reporting as well as lead the engineering and product team using Lean and Agile methodologies.
    • Developed and maintained the core Ruby on Rails (RoR) marketplace, React front-end, and AWS infrastructure.
    • Implemented an event system with RabbitMQ to support interfacing the core RoR application efficiently with multiple external services (SOA).
    • Developed and maintained advanced search features using Elasticsearch.
    • Constructed a high-traffic name server for domain parking pages using Elixir.
    • Implemented funnel and conversion tracking with Google Analytics and Google Tag Manager.
    Technologies: Amazon Web Services (AWS), Docker, AWS, Heroku, React, JavaScript, RabbitMQ, Redis, PostgreSQL, MySQL, Ruby on Rails (RoR), Ruby
  • Senior Software Engineer

    2015 - 2015
    • Delivered a back-office interface for contractors of one of the first on-demand car-wash companies in the US.
    • Implemented significant application and database optimization to improve the overall performance of the platform.
    • Trained the engineering team on tooling, processes and best practices around web and database performance and performance regression testing.
    Technologies: Ruby on Rails (RoR), Ruby
  • Senior Software Engineer (Contractor)

    2015 - 2015
    Mobile Network
    • Designed, implemented, and delivered a business-critical platform for Apple device enrollment for a mobile device management (MDM) and enterprise mobility management (EMM) company.
    • Implemented a search and bulk action interface that allowed tasks that would typically take a few days to be executed in a few minutes.
    • Migrated the on-premise infrastructure to the cloud with the addition of a full test suite and a CI/CD pipeline, allowing for a drastically improved development experience and ease of maintainability.
    Technologies: Apple, Heroku, Ruby on Rails (RoR), Ruby
  • Software Engineer

    2013 - 2014
    • Created the first proof of concept (POC) and minimum viable product (MVP) of the web performance monitoring platform for eCommerce websites.
    • Developed and maintained the core SaaS solution with Ruby on Rails (RoR), MySQL, Redis, and AngularJS.
    • Constructed a Google Analytics poller service to capture business intelligence (BI) data at regular intervals.
    • Built a Zabbix poller service to capture host performance data at regular intervals.
    • Developed a Magento poller service to capture application performance data at regular intervals.
    Technologies: Sidekiq, Redis, MySQL, AngularJS, Ruby on Rails (RoR), Ruby


  • Flippa

    Flippa is the number-one marketplace to buy and sell online businesses. It's a one-of-a-kind business with one-of-a-kind technical and product challenges, mainly around trust, marketplace integrity, and verification. Millions of users registered, and hundreds of thousands of unique visitors come each month to the site.

  • Quanta

    Quanta is a web performance analytics and monitoring SaaS platform for eCommerce websites. The application collects and processes gigantic amounts of data—think billions of SQL rows generated and processed on a weekly basis, rendered within an intuitive, beautiful, and modern JavaScript standalone application. This project pushed the limits in terms of data storage and processing. It's not your average CRUD app!

  • Washos | On-demand Mobile Car Wash

    In the words of the founder and CTO, Benjamin Guez:
    “Arnaud is a fast learner. He jumped in a massive Rails codebase at @washos and has immediately been involved in critical customer-facing features. His capacity to handle production app with professionalism and tons of best practices impressed us. I would hire Arnaud without any question, from back end to front end with even knowledge in iOS, he's the full-stack engineer we all want in our teams."


  • Languages

    Ruby, JavaScript
  • Frameworks

    Ruby on Rails (RoR), AngularJS
  • Libraries/APIs

    Sidekiq, React
  • Tools

    Git, RabbitMQ, Google Analytics, VS Code, Vim Text Editor
  • Paradigms

    Agile Software Development, Object-oriented Programming (OOP), Web Architecture, API Architecture
  • Platforms

    Heroku, Mixpanel, AWS EC2, MacOS, Docker, Apple, Amazon Web Services (AWS), Algolia
  • Storage

    MySQL, PostgreSQL, Redis, Elasticsearch, AWS S3
  • Other

    Business Strategy, Leadership, Google Tag Manager, Architecture, AWS, Jumio, Computer Science


  • Master's Degree in Computer Science
    2009 - 2014
    EPITECH (Ecole pour l'Informatique et les nouvelles Technologies) - Paris, France
  • Diploma in Intensive English
    2012 - 2013
    California State University, Long Beach - Long Beach, CA, USA

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