Charles-Etienne Masse

Senior Backend Developer | Technical Solution Architect

About me

Passionate web developer since 2010, currently working at Akufen in Montreal, CA as a Senior Backend Developer / Technical Solution Specialist. I thrive on solving complex problems, optimizing performance, and integrating innovative solutions.

I am deeply interested in web technologies, open-source software, and aviation.

Experiences

Akufen, Montreal CA (since 2021)

Senior Backend Developer

  • CMS: Craft CMS & WordPress
  • API development & integrations
  • Specialized in ticketing system integrations

Encre.me, La Rochelle FR (since 2018)

Co-founder, CTO & Lead Developer

  • Built a CRM SaaS platform for tattoo artists
  • Managing a high-traffic platform with 700K+ views/month
  • Subscription-based business model with online scheduling & payments

Freelancer, La Rochelle FR (since 2015)

Fullstack Developer & Web Architect

  • Expertise in online scheduling, online payments, and paid subscriptions
  • Designed and developed scalable web applications

Groupe Rhinos, Perigny FR (2016 - 2018)

Fullstack Developer

  • Developed web solutions for insurance companies, car retailers, and car part specialists

OpenXtrem, Perigny FR (2012 - 2015)

Web Developer / Web Mobile Developer

Medical CRM software

Technical Skills & Expertise

Backend Development

  • Languages & Concepts: PHP (7., 8.), OOP, TDD
  • Frameworks: Laravel 11.* (Filament), CodeIgniter 4.*, Symfony
  • CMS: Craft CMS, WordPress
  • Databases: MySQL 8, MariaDB, SQLite, Redis, Elasticsearch
  • Optimization: Query performance tuning, algorithm & system performance optimization

DevOps & Infrastructure

  • Operating Systems: Linux (Debian-based, CentOS)
  • Web Servers: Apache, Nginx, Caddy, FrankenPHP
  • Security: Fail2ban, UFW
  • CI/CD & Deployment: Laravel Forge, Git workflows

Frontend Development

  • Templating: Twig, Blade, Smarty
  • CSS Frameworks: TailwindCSS, Bootstrap, UIKit
  • JavaScript & Libraries: Vite, Vue.js, jQuery, Chart.js, D3.js, Three.js, FullCalendar

Third-Party Services & Integrations

  • Monitoring & Analytics: Sentry, Matomo (Piwik), Google Analytics, Umami, Monit
  • Payments & Ticketing: Stripe, PayPal, Acme Ticketing
  • AI Integration: OpenAI API (Prompt Engineering, Token Optimization)

Education

Master’s Degree in Computer Science (Equivalent to MSc in Computer Science)

📍 2007 – 2012 | La Rochelle, France

  • Expertise in digital workflow management in businesses
  • Network administration, software development, document digitization
  • Training for Chief Information Officer (CIO) roles

Preparatory Class in Mathematics (MPSI – Mathematics, Physics, and Engineering Sciences) (Equivalent to Undergraduate Foundation in Advanced Mathematics & Sciences)

📍 2007 – 2008 | Lycée Camille Vernet, Valence, France

  • Intensive post-secondary program specialized in abstract and applied mathematics
  • Preparatory studies for competitive entrance to top engineering schools

 

Languages

  • French: Native
  • English: Professional
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