HLFreelancer profile translated to English.
Back to original languageAbout Hadrien
Looking for a React front-end developer? 🚀
I am a front-end web developer with over 5 years of experience.
I have collaborated with companies such as Naturalmat, LAMP - Digital Intelligence, Whaller...
I am particularly able to:
🔸Design and develop responsive user interfaces
🔸Develop and maintain features in React, Javascript, Typescript, CSS...
🔸Implement software architecture respecting Clean Architecture principles, Design Patterns...
🔸Develop in compliance with Cybersecurity best practices
I also have knowledge in JS/PHP back-end, Product, and tools like Docker, Jira, or Gitlab.
I enjoy working on complex UX/UI challenges, while making the code as simple, performant, and modular as possible.
Do you have a project?
Contact me directly on Malt to discuss it.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), La Rochelle (up to 50km), Bordeaux (up to 50km), Lille (up to 10km), Lyon (up to 10km)
Experience
- WhallerReact Frontend DeveloperMay 2020 - July 2024 (4 years and 2 months)Suresnes, FranceWhaller is a simple and comprehensive collaborative solution that allows the creation of secure collaborative and social networks.Whaller is the first social and collaborative platform certified SecNumCloud by ANSSI.The platform has over 1 million users and offers its services to organizations such as France Travail, SciencesPo, or the French Tennis Federation.---I joined the Whaller Tech team as a Fullstack Developer before specializing as a Front-end Developer when the team grew.I contributed to the following tasks:🔸Multiple redesigns (file box, navigation, onboarding, etc.)🔸Development of new features such as the real-time chat "Whaller Discussions", implementation of widgets, integration of OnlyOffice, Deepl, etc.🔸Accessibility audit of the web application🔸Various improvements, addition of tests, and bug fixes🔸Development of the multilingual showcase website (https://whaller.com)In parallel with these tasks, I organized the resolution of the Front-end technical debt.The result:✅ Modernization of the technical stack to use the latest libraries (Handlebars → React, Grunt → Webpack + esbuild, ...)✅ More modular, faster, and smoother development for the Front-end department✅ Improvement of the web application's compilation time (7-10s saved)✅ Improvement of page weight (5-7MB saved) and their loading time (15-30% faster).✅ Better management of browser cache on JS files in production✅ Increase and simplification of unit test coverage✅ Creation of an AST (Abstract Syntax Tree) script to detect and add all missing imports/exportsTo access the web application, I invite you to register at https://my.whaller.com
- LampFront-end DeveloperDIGITAL AND ITMarch 2019 - December 2019 (10 months)Paris, FranceLamp is a web application and website development agency.Lamp is part of the "Intelligence Créative" group and works closely with Thalamus, a 360° communication agency.It currently has 3 employees and over 7 years of expertise in web development.---I joined Lamp as a Fullstack Developer.At the time, the team consisted of 3 Fullstack developers.I contributed to the following developments:🔸 Fullstack development of Wordpress and Drupal 8 websites🔸 Creation of a Front-end working base (Gulp + Webpack + SASS)🔸 Implementation of a Wordpress Boilerplate and a reusable base theme for all WP projects🔸 Improvement of deployment processes with Deployer🔸 Research and development of new tools for websites and applications (Memcached, Docker, Agile and iterative methods, Gitlab, Asana, Plesk, ...)🔸 Production of Newsletters in HTML and MJMLHere is the link to Lamp's website: https://www.lamp-ic.fr/Here is the link to Thalamus' website: https://www.thalamus-ic.fr/
- Shin agencyFront-end DeveloperJune 2018 - November 2018 (5 months)Paris, FranceShin Agency is an independent digital communication agency specializing in the development of showcase and e-commerce websites.Shin Agency works for brands such as L'Oréal, Andros, Mauboussin, ...I joined the company as a Fullstack Developer.The team consisted of:• 2 designers• 3 fullstack developers• 1 SEO & SEA expertI contributed to the following developments:• Migration of a store to Prestashop• Development and maintenance of Wordpress and Prestashop websites• Integration of HTML newsletters
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Education
- Expert in Digital Communication EngineeringHETIC2019HETIC est la N°1 des écoles du Web depuis 12 ans, délivrant des formations aux métiers d'internet, du web et du multimédia. Formation Grande école en 5 ans.
- Audiovisual BTS - Image Profession OptionLycée de l'Image et du Son d'Angoulême2014Formation en 2 ans sur les métiers de l'image en audiovisuel (caméra, lumière et éclairage, etc)