Summary
William Blondel is a seasoned Full-Stack Web Developer and Linux System Administrator with over a decade of hands-on experience delivering resilient web applications and managing production infrastructure. Currently Administrateur Système at Horizon Trading Solutions, he combines deep PHP/Python framework expertise (Django, Symfony, Laravel, CakePHP) with strong DevOps skills—CI/CD, Docker, server hardening and cloud migrations from DigitalOcean to Azure. He has driven measurable impact such as eliminating thousands of daily critical bugs and accelerating credit analysis generation by 110x while upgrading legacy stacks across major versions. Comfortable across databases (MySQL, PostgreSQL, Redis, Scylla), web scraping, and front-end frameworks (Vue, Angular, Tailwind), he pairs pragmatic engineering with test-driven practices and automated pipelines. Based in Île-de-France, he also pursues genealogy in his free time, a detail that reflects his methodical, research-oriented approach to problem solving.
10 years of coding experience
8 years of employment as a software developer
IT, IT at 42 Lyon Auvergne-Rhône-Alpes
Bachelor's in Digital Transformations (Incomplete), Bachelor's in Digital Transformations (Incomplete) at L’École LDLC
Full Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at freeCodeCamp
Economics and Social Sciences Baccalauréat, with Applied Mathematics, Economics and Social Sciences Baccalauréat, with Applied Mathematics at Lycée Français de Kuala Lumpur
Bachelor's in Business Intelligence & Analytics (First year), Bachelor's in Business Intelligence & Analytics (First year) at Université Lumière Lyon 2
National diploma, National diploma at Ecole Collège Lycée Notre-Dame (Mantes-la-Jolie)
French, English