Clement Guillemain
Développeur Web at French Pixel
Mâcon, Bourgogne – Franche-Comté, France
Summary
👤
Senior🎓
Top SchoolClément Guillemain is a seasoned full-stack web developer with 14 years of experience, combining long-term freelance work with an ongoing role at Activinnov building solutions for social housing. He has broad hands-on expertise from HTML/CSS beginnings to modern stacks including Symfony, React/React Native, Redux and API-driven backends, and has led technical choices as CTO and cofounder on multiple startups. His projects span quick client work to multi-month bespoke software, demonstrating an ability to move between integration, backend architecture and frontend UX. An active contributor to open-source PHP tooling, he notably enhanced the ImageWorkshop library with new features, refactors and unit tests to improve image processing capabilities. Based in Mâcon, France, he brings a pragmatic product-minded approach informed by running his own agency since 2011. He often balances sustained team collaboration with the autonomy of freelance delivery, making him well-suited for both embedded and independent engineering roles.
14 years of coding experience
12 years of employment as a software developer
DUT Informatique, DUT Informatique at IUT Lyon 1Licence Web, Licence Web at Licence Pro METINET
French, English, German
Stackoverflow
8,595reputation
1.1mreached
101answers
15questions
forms
top-5%
file-upload
top-5%
twig
top-5%
php
top-5%
gif
top-5%
ajax
top-5%
Github Skills (23)
unit-testing10
gd10
php10
image-manipulation10
symfony10
ajax9
gif9
refactor9
validation9
forms9
csrf9
file-upload9
doctrine-orm9
twig9
refactoring9
Programming languages (4)
Github contributions (5)
Sybio/ImageWorkshop
Apr 2012 - Mar 2015
ImageWorkshop is a PHP5.3+ library that helps you to manage images based on GD library
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:98 commits, 2 PRs, 2 pushes in 2 years 11 months
Contributions summary:Clement contributed significantly to the `ImageWorkshop` library, demonstrating a focus on its core functionality. Their work involved implementing new methods, refactoring existing ones, and adding unit tests to ensure code quality and functionality. Their contributions expanded the library's capabilities, including features such as resizing, cropping, rotation, and applying various filters to images.
imagephp5phpgd-libraryimage-processing
Sybio/ImagickWorkshop
Feb 2013 - Feb 2013
Contributions:6 commits in 1 day
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