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CTO, Senior Full Stack Dev | RoR and Js/Typescript Expert | Remote

High response rate

Senior software engineer with over 10 years of experience as a remote freelancer. My educational background includes an MSc 2:1 in computer science and applied mathematics engineering from ENSEEIHT (Toulouse, France) in 2009. I then worked for 2 years as a frontend developer at a startup in London and transitioned to backend work in 2013. Specializing in web application development, I have undertaken projects for companies such as Carrefour, L'Oréal, Cocolis, Epicery, and Alerti. My work has encompassed backend development, data engineering, code and database performance improvement, e-commerce platform customization and logistics, payment system integration, API creation, crawlers, technical documentation, and testing. Passionate about data manipulation and rendering them to users and stakeholders in a more meaningful way, I am currently expanding my skills in AI/ML and neural networks through CNRS fidle formation to explore how I could apply and offer these services to my clients. Recent milestones and accomplishments include: Migrating the payment system from Adyen to Stripe for Epicery Migrating the frontend from Vue to Hotwire for Epicery Developing a geolocalized matching algorithm between carriers and packages for Cocolis Fields of expertise: E-commerce solutions with Solidus/Spree open-source framework Data processing and visualization with Business Intelligence tools for reporting Integration of payment system providers Integration of third-party APIs Database design and performance optimization Frontend performance optimization Crawling and scraping Technical audits Testing, documentation, CI/CD tools Experience with the following tools: Languages: Ruby, Typescript, JavaScript, Node.js, Ruby on Rails Platforms: AWS, Google Cloud Platform, Render, Heroku Frontend: React, Vue.js, Hotwire, Angular, HTML/CSS, Alpine.js, HTMX, Astro Payment providers: Stripe, Mangopay, Adyen, PayPal Data viz: Amazon QuickSight, Superset, Tableau Backend tools: Solidus open-source e-commerce solution, New Relic, Elasticsearch, PostgreSQL, Amazon S3, etc. CI/CD Tools: GitHub CI, CircleCI Fluent in French, English, Spanish.

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FullStack Engineer | 5 Years of experience |

Summary: • Software Engineer applying the best and most effective solutions on enterprise scale. • Full Stack Developer specialized in creating business solutions for web applications, utilizing frameworks such as ReactJs and Ruby on Rails, as well as developing APIs and integrating databases. • 5 Years of Experience Objective: • My goal is to continuously learn and apply new technologies, expand my knowledge and experience in the professional field, and share my expertise to contribute to the development of new technologies and innovative projects. Skills: Interpersonal Skills: • Decision Making, Responsible, Honest, Respectful, Team Work, Ownership, Fair, Supportive, Friendly, Quick Learning, Work under pressure, Self-taught, I investigate until I find a solution. Specific Skills: • Programming Languages: Ruby, JavaScript. • Other languages: HTML5, SCSS. • Methodologies: Custom Combination approach of SCRUM + XP. • Database managers: MySQL, PostgreSQL, MongoDB. • Libraries/Gems/FrameWorks: NextJs, ReactJS, AngularJs, VueJs, Bootstrap, Cropper.js, GoogleMapsReact, MapBoxGL, React-Signature-Canvas, React-Webcam, Ruby on Rails, PaperClip, WickedPdf, ActionMailer, Twilio, RQRCode, Rspec, Hotwire-rails, Stimulus, Devise, Pundit, Audited, Pagy, Redis, Sidekiq, Sidekiq-Cron, OpenAi, Nokogiri, Factorybot_rails, Webpacker, ActiveStorage. • Tools: Git, Trello, SourceTree, Ubuntu Server, NGINX, Node, Microsoft Azure, GoDaddy, Postman, Chrome DevTools, Visual Studio Code.

Developer's avatar

I am currently looking for contract work in either React / Javascript / Typescript or Ruby on Rails or a combination of the two. I have over 15 years experience working as a Full Stack Software Developer in Lead or Senior developer roles.

My background is in very large development projects, typically involving hundreds of components written in a multitude of different programming languages. These projects typically have web, desktop, mobile and embedded components as well as significant back end server architecture written in dozens of languages. I have over 15 years experience working as a Full Stack Software Developer in Lead or Senior developer roles. I have worked in FinTech, Finance, Ecommerce, Crypto and SAS industries typically hired by VCs that have acquired multiple companies with software written in many different programming languages and wanting to merge the products into a single unified software package. Technical Experience: - JavaScript including Typescript, React, Angular, Redux, NextJS, Gatsby, GraphQL, JSDoc, Lodash, React Query, SWR, Apollo - Ruby including Ruby on Rails, Sinatra, Lotus, RSpec, Sidekiq - .NET including C#, F#, VB, ASP, Jscript, .NET Core - Java including Swift, Spring framework and web services - PHP including 5,7, Laravel, Symfony, CodeIgniter, Drupal, Wordpress and many others - Python including 2, 3, Django, Pyramid, Web2Py, MyPy, PyTest - Unix including Linux, Docker, Python, C++, Perl, Shell, Chef, Puppet - Responsive including Bootstrap, Angular, Material UI - Unit Testing including Jest, MiniTest, Rspec, PHPUnit, MSTest, NUnit, Jasmine, QUnit, Mocha, Robot, PyTest - Cloud including Azure, AWS, Google Cloud, Oracle, VMWare vCloud, Hyper-V - Mobile including Native iOS and Android, Objective C, Swift, Java, Xamarin - Database including SQL (MySQL, MSSQL, MariaDB, Oracle, Postgres), NoSQL (Mongo, Hbase, Casandra, CouchDB, DynamoDB), GraphQL - Front End Including HTML, CSS, Javascript, Tailwind, JQuery - VCS including Git, Mercurial, Subversion, Team Foundation, Jira, Confluence - Other including RestAPI, XML, XSLT, XSD, W3C Standards, Apache, IIS, Memcache, Redis, Varnish, Windows Server, Symphony, C++, Rust

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